15662940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{929}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 44059680

約数和(自身を除く): 28396740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 929, 1124, 1405, 1686, 1858, 2787, 2810, 3372, 3716, 4215, 4645, 5574, 5620, 8430, 9290, 11148, 13935, 16860, 18580, 27870, 55740, 261049, 522098, 783147, 1044196, 1305245, 1566294, 2610490, 3132588, 3915735, 5220980, 7831470, 15662940]

約数ペア:

[(1, 15662940), (2, 7831470), (3, 5220980), (4, 3915735), (5, 3132588), (6, 2610490), (10, 1566294), (12, 1305245), (15, 1044196), (20, 783147), (30, 522098), (60, 261049), (281, 55740), (562, 27870), (843, 18580), (929, 16860), (1124, 13935), (1405, 11148), (1686, 9290), (1858, 8430), (2787, 5620), (2810, 5574), (3372, 4645), (3716, 4215)]