61578920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 151200000

約数和(自身を除く): 89621080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1499, 1580, 2054, 2998, 3160, 4108, 5135, 5996, 7495, 8216, 10270, 11992, 14990, 19487, 20540, 29980, 38974, 41080, 59960, 77948, 97435, 118421, 155896, 194870, 236842, 389740, 473684, 592105, 779480, 947368, 1184210, 1539473, 2368420, 3078946, 4736840, 6157892, 7697365, 12315784, 15394730, 30789460, 61578920]

約数ペア:

[(1, 61578920), (2, 30789460), (4, 15394730), (5, 12315784), (8, 7697365), (10, 6157892), (13, 4736840), (20, 3078946), (26, 2368420), (40, 1539473), (52, 1184210), (65, 947368), (79, 779480), (104, 592105), (130, 473684), (158, 389740), (260, 236842), (316, 194870), (395, 155896), (520, 118421), (632, 97435), (790, 77948), (1027, 59960), (1499, 41080), (1580, 38974), (2054, 29980), (2998, 20540), (3160, 19487), (4108, 14990), (5135, 11992), (5996, 10270), (7495, 8216)]