15571740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2381}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 44019360

約数和(自身を除く): 28447620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2381, 3270, 4762, 6540, 7143, 9524, 11905, 14286, 23810, 28572, 35715, 47620, 71430, 142860, 259529, 519058, 778587, 1038116, 1297645, 1557174, 2595290, 3114348, 3892935, 5190580, 7785870, 15571740]

約数ペア:

[(1, 15571740), (2, 7785870), (3, 5190580), (4, 3892935), (5, 3114348), (6, 2595290), (10, 1557174), (12, 1297645), (15, 1038116), (20, 778587), (30, 519058), (60, 259529), (109, 142860), (218, 71430), (327, 47620), (436, 35715), (545, 28572), (654, 23810), (1090, 14286), (1308, 11905), (1635, 9524), (2180, 7143), (2381, 6540), (3270, 4762)]