61371830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 125314560

約数和(自身を除く): 63942730

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 130, 145, 146, 223, 290, 365, 377, 446, 730, 754, 949, 1115, 1885, 1898, 2117, 2230, 2899, 3770, 4234, 4745, 5798, 6467, 9490, 10585, 12934, 14495, 16279, 21170, 27521, 28990, 32335, 32558, 55042, 64670, 81395, 84071, 137605, 162790, 168142, 211627, 275210, 420355, 423254, 472091, 840710, 944182, 1058135, 2116270, 2360455, 4720910, 6137183, 12274366, 30685915, 61371830]

約数ペア:

[(1, 61371830), (2, 30685915), (5, 12274366), (10, 6137183), (13, 4720910), (26, 2360455), (29, 2116270), (58, 1058135), (65, 944182), (73, 840710), (130, 472091), (145, 423254), (146, 420355), (223, 275210), (290, 211627), (365, 168142), (377, 162790), (446, 137605), (730, 84071), (754, 81395), (949, 64670), (1115, 55042), (1885, 32558), (1898, 32335), (2117, 28990), (2230, 27521), (2899, 21170), (3770, 16279), (4234, 14495), (4745, 12934), (5798, 10585), (6467, 9490)]