15949960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 39740400

約数和(自身を除く): 23790440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 829, 962, 1480, 1658, 1924, 2405, 3316, 3848, 4145, 4810, 6632, 8290, 9620, 10777, 16580, 19240, 21554, 30673, 33160, 43108, 53885, 61346, 86216, 107770, 122692, 153365, 215540, 245384, 306730, 398749, 431080, 613460, 797498, 1226920, 1594996, 1993745, 3189992, 3987490, 7974980, 15949960]

約数ペア:

[(1, 15949960), (2, 7974980), (4, 3987490), (5, 3189992), (8, 1993745), (10, 1594996), (13, 1226920), (20, 797498), (26, 613460), (37, 431080), (40, 398749), (52, 306730), (65, 245384), (74, 215540), (104, 153365), (130, 122692), (148, 107770), (185, 86216), (260, 61346), (296, 53885), (370, 43108), (481, 33160), (520, 30673), (740, 21554), (829, 19240), (962, 16580), (1480, 10777), (1658, 9620), (1924, 8290), (2405, 6632), (3316, 4810), (3848, 4145)]