15580240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 39747456

約数和(自身を除く): 24167216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 211, 260, 284, 355, 422, 520, 568, 710, 844, 923, 1040, 1055, 1136, 1420, 1688, 1846, 2110, 2743, 2840, 3376, 3692, 4220, 4615, 5486, 5680, 7384, 8440, 9230, 10972, 13715, 14768, 14981, 16880, 18460, 21944, 27430, 29962, 36920, 43888, 54860, 59924, 73840, 74905, 109720, 119848, 149810, 194753, 219440, 239696, 299620, 389506, 599240, 779012, 973765, 1198480, 1558024, 1947530, 3116048, 3895060, 7790120, 15580240]

約数ペア:

[(1, 15580240), (2, 7790120), (4, 3895060), (5, 3116048), (8, 1947530), (10, 1558024), (13, 1198480), (16, 973765), (20, 779012), (26, 599240), (40, 389506), (52, 299620), (65, 239696), (71, 219440), (80, 194753), (104, 149810), (130, 119848), (142, 109720), (208, 74905), (211, 73840), (260, 59924), (284, 54860), (355, 43888), (422, 36920), (520, 29962), (568, 27430), (710, 21944), (844, 18460), (923, 16880), (1040, 14981), (1055, 14768), (1136, 13715), (1420, 10972), (1688, 9230), (1846, 8440), (2110, 7384), (2743, 5680), (2840, 5486), (3376, 4615), (3692, 4220)]