121721080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 297108000

約数和(自身を除く): 175386920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1571, 1937, 2980, 3142, 3874, 5960, 6284, 7748, 7855, 9685, 12568, 15496, 15710, 19370, 20423, 31420, 38740, 40846, 62840, 77480, 81692, 102115, 163384, 204230, 234079, 408460, 468158, 816920, 936316, 1170395, 1872632, 2340790, 3043027, 4681580, 6086054, 9363160, 12172108, 15215135, 24344216, 30430270, 60860540, 121721080]

約数ペア:

[(1, 121721080), (2, 60860540), (4, 30430270), (5, 24344216), (8, 15215135), (10, 12172108), (13, 9363160), (20, 6086054), (26, 4681580), (40, 3043027), (52, 2340790), (65, 1872632), (104, 1170395), (130, 936316), (149, 816920), (260, 468158), (298, 408460), (520, 234079), (596, 204230), (745, 163384), (1192, 102115), (1490, 81692), (1571, 77480), (1937, 62840), (2980, 40846), (3142, 38740), (3874, 31420), (5960, 20423), (6284, 19370), (7748, 15710), (7855, 15496), (9685, 12568)]