13579240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 18768920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 233, 235, 248, 310, 376, 466, 470, 620, 932, 940, 1165, 1240, 1457, 1864, 1880, 2330, 2914, 4660, 5828, 7223, 7285, 9320, 10951, 11656, 14446, 14570, 21902, 28892, 29140, 36115, 43804, 54755, 57784, 58280, 72230, 87608, 109510, 144460, 219020, 288920, 339481, 438040, 678962, 1357924, 1697405, 2715848, 3394810, 6789620, 13579240]

約数ペア:

[(1, 13579240), (2, 6789620), (4, 3394810), (5, 2715848), (8, 1697405), (10, 1357924), (20, 678962), (31, 438040), (40, 339481), (47, 288920), (62, 219020), (94, 144460), (124, 109510), (155, 87608), (188, 72230), (233, 58280), (235, 57784), (248, 54755), (310, 43804), (376, 36115), (466, 29140), (470, 28892), (620, 21902), (932, 14570), (940, 14446), (1165, 11656), (1240, 10951), (1457, 9320), (1864, 7285), (1880, 7223), (2330, 5828), (2914, 4660)]