31585060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 44619740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 59, 65, 71, 116, 118, 130, 142, 145, 236, 260, 284, 290, 295, 355, 377, 580, 590, 710, 754, 767, 923, 1180, 1420, 1508, 1534, 1711, 1846, 1885, 2059, 3068, 3422, 3692, 3770, 3835, 4118, 4189, 4615, 6844, 7540, 7670, 8236, 8378, 8555, 9230, 10295, 15340, 16756, 17110, 18460, 20590, 20945, 22243, 26767, 34220, 41180, 41890, 44486, 53534, 54457, 83780, 88972, 107068, 108914, 111215, 121481, 133835, 217828, 222430, 242962, 267670, 272285, 444860, 485924, 535340, 544570, 607405, 1089140, 1214810, 1579253, 2429620, 3158506, 6317012, 7896265, 15792530, 31585060]

約数ペア:

[(1, 31585060), (2, 15792530), (4, 7896265), (5, 6317012), (10, 3158506), (13, 2429620), (20, 1579253), (26, 1214810), (29, 1089140), (52, 607405), (58, 544570), (59, 535340), (65, 485924), (71, 444860), (116, 272285), (118, 267670), (130, 242962), (142, 222430), (145, 217828), (236, 133835), (260, 121481), (284, 111215), (290, 108914), (295, 107068), (355, 88972), (377, 83780), (580, 54457), (590, 53534), (710, 44486), (754, 41890), (767, 41180), (923, 34220), (1180, 26767), (1420, 22243), (1508, 20945), (1534, 20590), (1711, 18460), (1846, 17110), (1885, 16756), (2059, 15340), (3068, 10295), (3422, 9230), (3692, 8555), (3770, 8378), (3835, 8236), (4118, 7670), (4189, 7540), (4615, 6844)]