31160480

素因数分解:

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

素因数の和:310

約数の個数: 96

約数和(自身を含む): 80777088

約数和(自身を除く): 49616608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 130, 142, 160, 208, 211, 260, 284, 355, 416, 422, 520, 568, 710, 844, 923, 1040, 1055, 1136, 1420, 1688, 1846, 2080, 2110, 2272, 2743, 2840, 3376, 3692, 4220, 4615, 5486, 5680, 6752, 7384, 8440, 9230, 10972, 11360, 13715, 14768, 14981, 16880, 18460, 21944, 27430, 29536, 29962, 33760, 36920, 43888, 54860, 59924, 73840, 74905, 87776, 109720, 119848, 147680, 149810, 194753, 219440, 239696, 299620, 389506, 438880, 479392, 599240, 779012, 973765, 1198480, 1558024, 1947530, 2396960, 3116048, 3895060, 6232096, 7790120, 15580240, 31160480]

約数ペア:

[(1, 31160480), (2, 15580240), (4, 7790120), (5, 6232096), (8, 3895060), (10, 3116048), (13, 2396960), (16, 1947530), (20, 1558024), (26, 1198480), (32, 973765), (40, 779012), (52, 599240), (65, 479392), (71, 438880), (80, 389506), (104, 299620), (130, 239696), (142, 219440), (160, 194753), (208, 149810), (211, 147680), (260, 119848), (284, 109720), (355, 87776), (416, 74905), (422, 73840), (520, 59924), (568, 54860), (710, 43888), (844, 36920), (923, 33760), (1040, 29962), (1055, 29536), (1136, 27430), (1420, 21944), (1688, 18460), (1846, 16880), (2080, 14981), (2110, 14768), (2272, 13715), (2743, 11360), (2840, 10972), (3376, 9230), (3692, 8440), (4220, 7384), (4615, 6752), (5486, 5680)]