15120976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:683

約数の個数: 40

約数和(自身を含む): 31838240

約数和(自身を除く): 16717264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 523, 556, 1046, 1112, 1807, 2092, 2224, 3614, 4184, 6799, 7228, 8368, 13598, 14456, 27196, 28912, 54392, 72697, 108784, 145394, 290788, 581576, 945061, 1163152, 1890122, 3780244, 7560488, 15120976]

約数ペア:

[(1, 15120976), (2, 7560488), (4, 3780244), (8, 1890122), (13, 1163152), (16, 945061), (26, 581576), (52, 290788), (104, 145394), (139, 108784), (208, 72697), (278, 54392), (523, 28912), (556, 27196), (1046, 14456), (1112, 13598), (1807, 8368), (2092, 7228), (2224, 6799), (3614, 4184)]