15872920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 25495400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 683, 830, 1162, 1366, 1660, 2324, 2732, 2905, 3320, 3415, 4648, 4781, 5464, 5810, 6830, 9562, 11620, 13660, 19124, 23240, 23905, 27320, 38248, 47810, 56689, 95620, 113378, 191240, 226756, 283445, 396823, 453512, 566890, 793646, 1133780, 1587292, 1984115, 2267560, 3174584, 3968230, 7936460, 15872920]

約数ペア:

[(1, 15872920), (2, 7936460), (4, 3968230), (5, 3174584), (7, 2267560), (8, 1984115), (10, 1587292), (14, 1133780), (20, 793646), (28, 566890), (35, 453512), (40, 396823), (56, 283445), (70, 226756), (83, 191240), (140, 113378), (166, 95620), (280, 56689), (332, 47810), (415, 38248), (581, 27320), (664, 23905), (683, 23240), (830, 19124), (1162, 13660), (1366, 11620), (1660, 9562), (2324, 6830), (2732, 5810), (2905, 5464), (3320, 4781), (3415, 4648)]