15718020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1087}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 44233728

約数和(自身を除く): 28515708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1087, 1205, 1446, 2174, 2410, 2892, 3261, 3615, 4348, 4820, 5435, 6522, 7230, 10870, 13044, 14460, 16305, 21740, 32610, 65220, 261967, 523934, 785901, 1047868, 1309835, 1571802, 2619670, 3143604, 3929505, 5239340, 7859010, 15718020]

約数ペア:

[(1, 15718020), (2, 7859010), (3, 5239340), (4, 3929505), (5, 3143604), (6, 2619670), (10, 1571802), (12, 1309835), (15, 1047868), (20, 785901), (30, 523934), (60, 261967), (241, 65220), (482, 32610), (723, 21740), (964, 16305), (1087, 14460), (1205, 13044), (1446, 10870), (2174, 7230), (2410, 6522), (2892, 5435), (3261, 4820), (3615, 4348)]