15871700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 38461080

約数和(自身を除く): 22589380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 421, 580, 650, 725, 754, 842, 1300, 1450, 1508, 1684, 1885, 2105, 2900, 3770, 4210, 5473, 7540, 8420, 9425, 10525, 10946, 12209, 18850, 21050, 21892, 24418, 27365, 37700, 42100, 48836, 54730, 61045, 109460, 122090, 136825, 158717, 244180, 273650, 305225, 317434, 547300, 610450, 634868, 793585, 1220900, 1587170, 3174340, 3967925, 7935850, 15871700]

約数ペア:

[(1, 15871700), (2, 7935850), (4, 3967925), (5, 3174340), (10, 1587170), (13, 1220900), (20, 793585), (25, 634868), (26, 610450), (29, 547300), (50, 317434), (52, 305225), (58, 273650), (65, 244180), (100, 158717), (116, 136825), (130, 122090), (145, 109460), (260, 61045), (290, 54730), (325, 48836), (377, 42100), (421, 37700), (580, 27365), (650, 24418), (725, 21892), (754, 21050), (842, 18850), (1300, 12209), (1450, 10946), (1508, 10525), (1684, 9425), (1885, 8420), (2105, 7540), (2900, 5473), (3770, 4210)]