15525640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 38228400

約数和(自身を除く): 22702760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 409, 520, 584, 730, 818, 949, 1460, 1636, 1898, 2045, 2920, 3272, 3796, 4090, 4745, 5317, 7592, 8180, 9490, 10634, 16360, 18980, 21268, 26585, 29857, 37960, 42536, 53170, 59714, 106340, 119428, 149285, 212680, 238856, 298570, 388141, 597140, 776282, 1194280, 1552564, 1940705, 3105128, 3881410, 7762820, 15525640]

約数ペア:

[(1, 15525640), (2, 7762820), (4, 3881410), (5, 3105128), (8, 1940705), (10, 1552564), (13, 1194280), (20, 776282), (26, 597140), (40, 388141), (52, 298570), (65, 238856), (73, 212680), (104, 149285), (130, 119428), (146, 106340), (260, 59714), (292, 53170), (365, 42536), (409, 37960), (520, 29857), (584, 26585), (730, 21268), (818, 18980), (949, 16360), (1460, 10634), (1636, 9490), (1898, 8180), (2045, 7592), (2920, 5317), (3272, 4745), (3796, 4090)]