5æ¡ã®çŽ æ°ã©ããã®ç©ã§
34061*42101=1434002161
34061*62171=2117606431
34061*91583=3119408563
ã®æ§ã«34061ã®çŽ æ°ã¯ããããä»ã®ç°ãªã3ã€ã®5æ¡ã®çŽ æ°ã®ãã£ãžãããèªåã®æ°åã«
å
šãŠåã¿èŸŒãã ç©ã®å€ãäœãåºãã
ãã®æ§ãªçŽ æ°ããã©ãã¯ããŒã«çŽ æ°ãšåŒãŒãã
ã§ã¯5æ¡ã®çŽ æ°å
šäœã§ãã®æ§ã«2ã€ã®ç©ããšããšããæãå€ãã®ä»ãçŽ æ°ãåã¿èŸŒãã§ããŸã
æåŒ·ã®ãã©ãã¯ããŒã«çŽ æ°ã¯äœãïŒ
次ã«5æ¡çŽ æ°ã©ããã®10æ¡ã®ç©ã§ã¯æ®å¿µãªãããã®ç©ã¯0ãã9ã®æ°åããã¹ãŠå«ããã®ã¯ååšã§ããªãã
ããã§ãã®ç©ã®çµæã«0ãã9ã®ãã¹ãŠã®æ°åãåºçŸã§ããããã«
5æ¡ãš6æ¡ã®çŽ æ°ãæããŠ11æ¡ã®æ°ãäœãæãäœéãã®çµåããããããïŒ
åé¡ã®è§£éãšããã°ã©ã ãæ£ãããã°
äžã€ç®
è§£éãééããŠããã®ã§èšç®ãçŽãããšãã96401(8å)ã§ãã
äºã€ç®
823199éã
ãã©ãã¯ããŒã«çŽ æ°
96401*18839=1816098439
96401*42743=4120467943
96401*48611=4686149011
96401*58511=5640518911
96401*71993=6940197193
96401*73019=7039104619
96401*87833=8467189033
96401*92801=8946109201
96401ã®8åãæåŒ·ã§ããããïŒ
ç§ãæã£ãŠããæåŒ·ãã©ãã¯ããŒã«çŽ æ°ã¯ãã®96401ã§ããã
äºã€ç®ããããããããšå€§ããéã£ãŠããã®ã§ãã
å
·äœäŸã10åã»ã©äžŠã¹ãŠè²°ããŸããïŒ
æåã®20å(5æ¡çŽ æ°ã®å°ããé ãããŠ6æ¡çŽ æ°ã®å°ããé )ã§ãããªæãã§ãã
10139*998687=10125687493
10141*999769=10138657429
10151*997793=10128596743
10151*999773=10148695723
10163*999599=10158924637
10169*998423=10152963487
10223*994769=10169523487
10243*990559=10146295837
10243*992809=10169342587
10247*993827=10183745269
10247*999959=10246579873
10253*991499=10165839247
10253*998399=10236584947
10259*990593=10162493587
10259*998681=10245468379
10267*997891=10245346897
10271*987809=10145786239
10271*996881=10238964751
10271*998411=10254679381
10273*994489=10216385497
ãŸããæåŸã®20åã¯ãããªæãã§ãã
99991*841549=84147326059
99991*851549=85147236059
99991*856553=85647591023
99991*860317=86023957147
99991*864427=86434920157
99991*871993=87191452063
99991*872609=87253046519
99991*876529=87645011239
99991*894097=89401653127
99991*928141=92805746731
99991*935537=93545280167
99991*938831=93874650521
99991*942437=94235218067
99991*946327=94624183057
99991*946607=94652180537
99991*950953=95086741423
99991*963497=96341028527
99991*968831=96874380521
99991*971933=97184552603
99991*974591=97450328681
10139*998687=10125687493
ã¯
5æ¡ã®çŽ æ°ã®ãã£ãžãã[0,1,1,3,9]
ã
7æ¡ã®çŽ æ°7ã®ãã£ãžãã[6,7,8,8,9,9]
ãåžã蟌ããš
[0,1,1,3,6,7,8,8,9,9,9]
ã®æ°åããã§ãã11æ¡ã®æ°åãã§ããããšãªããš10125687493
ãªã®ã§ç¢ºãã«0ïœ9ã®æ°åã¯æã£ãŠããããã©ãã¯ããŒã«ççŽ æ°
ãšã¯ãªã£ãŠããªããšèããŠäžããã
ïŒãã®ãããã®èª¬æãäžè¶³ããŠããããšããè©«ã³ããŸãã)
ããã«å¯Ÿã
26849*471503=12659384047ã¯
5æ¡ã®çŽ æ°ã®ãã£ãžãã[2,4,6,8,9]ã
7æ¡ã®çŽ æ°ã®ãã£ãžãã[0,1,3,4,5,7]ãåã¿èŸŒãã§
0ïœ9ãæã£ãŠããã
ãã®ãã¿ãŒã³ã§æ¢ããŠäžããã
åŸåããã©ãã¯ããŒã«çŽ æ°ãšã¯å
šãæã£ãŠããããå顿ã ãã§å€æããŠããŸã£ãŠããŸããã
ïŒã¿ã€ãã«ããã©ãã¯ããŒã«çŽ æ°ã ããæ°ã¥ãã¹ãã ã£ãããç¥ããŸãããïŒ
ã§ããã®æ¡ä»¶ãªã79éãããšæããŸãã
# 0ïœ9ã®ãã¡ãããæ°åã0,3,6,9ã ãš3ã®åæ°ã«ãªã£ãŠNG
# ãããæ°åã1,2,4,5,7,8ãªãã°ã©ãã§ã倧äžå€«ããã§ãã
# ãªãããããæ°åãå¿
ã4ãªã®ã§äœãããã°ã©ã ã«åé¡ããããããšæã£ãŠæ©ãã§ããŸããŸããã
# ã§ããã¡ããšè«ççã«èãããš4ããããåŸãªãããšãããããã79éããã«èªä¿¡ãæãŠãŸããã
2æ¡ã3æ¡ã4æ¡ã§ãã©ãã¯ããŒã«çŽ æ°ãååšããã調ã¹ãŠã¿ãŸãããã2æ¡ã§ã¯ååšããŸããã§ããã
3æ¡ã§ã¯ã167,281,317,383,443,461,563,701,953,971ã®10åããã©ãã¯ããŒã«çŽ æ°ã§ããã
167*701=701*167=117067
281*443=443*281=124483
317*461=461*317=146137
383*971=971*383=371893
563*953=953*563=124483
åžåããã®ã1åãªã®ã§ãã€ã¯ãã»ãã©ãã¯ããŒã«ãšãã£ããšããã§ããããããŸãã167ãš701ã281ãš443ã317ãš461ã383ãš971ã563ãš953ã®5çµã¯äºãã«å¯ŸããŠãã©ãã¯ããŒã«çŽ æ°ãªã®ã§ããã©ãã¯ããŒã«é£æãšãã£ããšããã§ããããã
4æ¡ã§ã¯ã7793ãš9923ãæåŒ·ãã©ãã¯ããŒã«çŽ æ°ã§ãã©ã¡ããåžåããã®ã¯3åã§ããã
7793*4523=35247739
7793*8609=67089937
7793*9923=77329939
9923*4373=43393279
9923*5273=52323979
9923*7793=77329939
7793ãš9923ã¯äºãã«å¯ŸããŠãã©ãã¯ããŒã«çŽ æ°ãªã®ã§ããã©ãã¯ããŒã«é£æãšãã£ããšããã§ããããã
> "ãããã"ãããæžãããŸãã:
> ã§ããã®æ¡ä»¶ãªã79éãããšæããŸãã
> # 0ïœ9ã®ãã¡ãããæ°åã0,3,6,9ã ãš3ã®åæ°ã«ãªã£ãŠNG
> # ãããæ°åã1,2,4,5,7,8ãªãã°ã©ãã§ã倧äžå€«ããã§ãã
> # ãªãããããæ°åãå¿
ã4ãªã®ã§äœãããã°ã©ã ã«åé¡ããããããšæã£ãŠæ©ãã§ããŸããã
ç§ã79éãã䞊ã¹ããšãããã¹ãŠã4ãéè€ããŠãããã¿ãŒã³ãªã®ã§
ãªãã§ãããªãã®ã ããããšäžæè°ã§ãªããŸããã§ããã
ä»ã§ãè¬ã¯è§£ããŠããŸããã
> # ã§ããã¡ããšè«ççã«èãããš4ããããåŸãªãããšãããããã79éããã«èªä¿¡ãæãŠãŸããŸããã
ããã¯èšŒæåºæ¥ãããã§ããïŒ
ã¯ãã蚌æã§ããŸãã
äºã€ã®çŽ æ°ã3n+1ãš3m+1ã®å Žåãæ¡ã®æ°åã®åã¯3k+2ãšãªããŸãã
äžæ¹ãç©ã¯(3n+1)(3m+1)=3l+1ãªã®ã§æ¡ã®æ°åã®åãšåããäžé©ã§ãã
äºã€ã®çŽ æ°ã3n+1ãš3m+2ã®å Žåãæ¡ã®æ°åã®åã3ã®åæ°ãšãªããŸãã
(3n+1)(3m+2)ã¯3ã®åæ°ã«ãªããŸããã®ã§äžé©ã§ãã
åŸã£ãŠæ¡ä»¶ãæãç«ã€ããã«ã¯äºã€ã®çŽ æ°ã¯äž¡æ¹ãšã3n+2åã§ãªããã°ãªããŸããã
3n+2ã9n+2,5,8ã®3ã€ã«åããŠæ¡ã®æ°åã®åãšçŽ æ°ã®ç©ãèãããš
9n+2ãš9m+2âæ¡ã®æ°åã®åã¯9k+4ãç©ã¯9l+4ãªã®ã§äžèŽ
9n+2ãš9m+5âæ¡ã®æ°åã®åã¯9k+7ãç©ã¯9l+1ãªã®ã§äžäžèŽ
9n+2ãš9m+8âæ¡ã®æ°åã®åã¯9k+1ãç©ã¯9l+7ãªã®ã§äžäžèŽ
9n+5ãš9m+5âæ¡ã®æ°åã®åã¯9k+1ãç©ã¯9l+7ãªã®ã§äžäžèŽ
9n+5ãš9m+8âæ¡ã®æ°åã®åã¯9k+4ãç©ã¯9l+4ãªã®ã§äžèŽ
9n+8ãš9m+8âæ¡ã®æ°åã®åã¯9k+7ãç©ã¯9l+1ãªã®ã§äžäžèŽ
ã®ããã«ãªããæ¡ä»¶ãæãç«ã€ãšãæ¡ã®æ°åã®åã¯å¿
ã9k+4ã§ãããã
éè€ããæ°åã¯4ããããåŸãªãããšã«ãªããŸãã
æåãããã®ããšãããã£ãŠããã°ããã©ãã¯ããŒã«çŽ æ°ã¯å¿
ã3n+2åãªã®ã§
調ã¹ãçŽ æ°ãååã«æžãããŸããã