15328640

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 37564560

約数和(自身を除く): 22235920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 557, 640, 688, 860, 1114, 1376, 1720, 2228, 2752, 2785, 3440, 4456, 5504, 5570, 6880, 8912, 11140, 13760, 17824, 22280, 23951, 27520, 35648, 44560, 47902, 71296, 89120, 95804, 119755, 178240, 191608, 239510, 356480, 383216, 479020, 766432, 958040, 1532864, 1916080, 3065728, 3832160, 7664320, 15328640]

約数ペア:

[(1, 15328640), (2, 7664320), (4, 3832160), (5, 3065728), (8, 1916080), (10, 1532864), (16, 958040), (20, 766432), (32, 479020), (40, 383216), (43, 356480), (64, 239510), (80, 191608), (86, 178240), (128, 119755), (160, 95804), (172, 89120), (215, 71296), (320, 47902), (344, 44560), (430, 35648), (557, 27520), (640, 23951), (688, 22280), (860, 17824), (1114, 13760), (1376, 11140), (1720, 8912), (2228, 6880), (2752, 5570), (2785, 5504), (3440, 4456)]