31358640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 97859808

約数和(自身を除く): 66501168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 579, 677, 772, 965, 1158, 1354, 1544, 1930, 2031, 2316, 2708, 2895, 3088, 3385, 3860, 4062, 4632, 5416, 5790, 6770, 7720, 8124, 9264, 10155, 10832, 11580, 13540, 15440, 16248, 20310, 23160, 27080, 32496, 40620, 46320, 54160, 81240, 130661, 162480, 261322, 391983, 522644, 653305, 783966, 1045288, 1306610, 1567932, 1959915, 2090576, 2613220, 3135864, 3919830, 5226440, 6271728, 7839660, 10452880, 15679320, 31358640]

約数ペア:

[(1, 31358640), (2, 15679320), (3, 10452880), (4, 7839660), (5, 6271728), (6, 5226440), (8, 3919830), (10, 3135864), (12, 2613220), (15, 2090576), (16, 1959915), (20, 1567932), (24, 1306610), (30, 1045288), (40, 783966), (48, 653305), (60, 522644), (80, 391983), (120, 261322), (193, 162480), (240, 130661), (386, 81240), (579, 54160), (677, 46320), (772, 40620), (965, 32496), (1158, 27080), (1354, 23160), (1544, 20310), (1930, 16248), (2031, 15440), (2316, 13540), (2708, 11580), (2895, 10832), (3088, 10155), (3385, 9264), (3860, 8124), (4062, 7720), (4632, 6770), (5416, 5790)]