645161401320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{65381}}^1\times {\mathrm{82231}}^1$

素因数の和:147626

約数の個数: 64

約数和(自身を含む): 1935537344640

約数和(自身を除く): 1290375943320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 65381, 82231, 130762, 164462, 196143, 246693, 261524, 326905, 328924, 392286, 411155, 493386, 523048, 653810, 657848, 784572, 822310, 980715, 986772, 1233465, 1307620, 1569144, 1644620, 1961430, 1973544, 2466930, 2615240, 3289240, 3922860, 4933860, 7845720, 9867720, 5376345011, 10752690022, 16129035033, 21505380044, 26881725055, 32258070066, 43010760088, 53763450110, 64516140132, 80645175165, 107526900220, 129032280264, 161290350330, 215053800440, 322580700660, 645161401320]

約数ペア:

[(1, 645161401320), (2, 322580700660), (3, 215053800440), (4, 161290350330), (5, 129032280264), (6, 107526900220), (8, 80645175165), (10, 64516140132), (12, 53763450110), (15, 43010760088), (20, 32258070066), (24, 26881725055), (30, 21505380044), (40, 16129035033), (60, 10752690022), (120, 5376345011), (65381, 9867720), (82231, 7845720), (130762, 4933860), (164462, 3922860), (196143, 3289240), (246693, 2615240), (261524, 2466930), (326905, 1973544), (328924, 1961430), (392286, 1644620), (411155, 1569144), (493386, 1307620), (523048, 1233465), (653810, 986772), (657848, 980715), (784572, 822310)]