15989920

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 39356604

約数和(自身を除く): 23366684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 73, 74, 80, 146, 148, 160, 185, 292, 296, 365, 370, 584, 592, 730, 740, 1168, 1184, 1369, 1460, 1480, 2336, 2701, 2738, 2920, 2960, 5402, 5476, 5840, 5920, 6845, 10804, 10952, 11680, 13505, 13690, 21608, 21904, 27010, 27380, 43216, 43808, 54020, 54760, 86432, 99937, 108040, 109520, 199874, 216080, 219040, 399748, 432160, 499685, 799496, 999370, 1598992, 1998740, 3197984, 3997480, 7994960, 15989920]

約数ペア:

[(1, 15989920), (2, 7994960), (4, 3997480), (5, 3197984), (8, 1998740), (10, 1598992), (16, 999370), (20, 799496), (32, 499685), (37, 432160), (40, 399748), (73, 219040), (74, 216080), (80, 199874), (146, 109520), (148, 108040), (160, 99937), (185, 86432), (292, 54760), (296, 54020), (365, 43808), (370, 43216), (584, 27380), (592, 27010), (730, 21904), (740, 21608), (1168, 13690), (1184, 13505), (1369, 11680), (1460, 10952), (1480, 10804), (2336, 6845), (2701, 5920), (2738, 5840), (2920, 5476), (2960, 5402)]