15640640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1375

約数の個数: 56

約数和(自身を含む): 38279832

約数和(自身を除く): 22639192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1321, 1480, 2368, 2642, 2960, 5284, 5920, 6605, 10568, 11840, 13210, 21136, 26420, 42272, 48877, 52840, 84544, 97754, 105680, 195508, 211360, 244385, 391016, 422720, 488770, 782032, 977540, 1564064, 1955080, 3128128, 3910160, 7820320, 15640640]

約数ペア:

[(1, 15640640), (2, 7820320), (4, 3910160), (5, 3128128), (8, 1955080), (10, 1564064), (16, 977540), (20, 782032), (32, 488770), (37, 422720), (40, 391016), (64, 244385), (74, 211360), (80, 195508), (148, 105680), (160, 97754), (185, 84544), (296, 52840), (320, 48877), (370, 42272), (592, 26420), (740, 21136), (1184, 13210), (1321, 11840), (1480, 10568), (2368, 6605), (2642, 5920), (2960, 5284)]