31325880

素因数分解:

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

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 94413600

約数和(自身を除く): 63087720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 843, 929, 1124, 1405, 1686, 1858, 2248, 2787, 2810, 3372, 3716, 4215, 4645, 5574, 5620, 6744, 7432, 8430, 9290, 11148, 11240, 13935, 16860, 18580, 22296, 27870, 33720, 37160, 55740, 111480, 261049, 522098, 783147, 1044196, 1305245, 1566294, 2088392, 2610490, 3132588, 3915735, 5220980, 6265176, 7831470, 10441960, 15662940, 31325880]

約数ペア:

[(1, 31325880), (2, 15662940), (3, 10441960), (4, 7831470), (5, 6265176), (6, 5220980), (8, 3915735), (10, 3132588), (12, 2610490), (15, 2088392), (20, 1566294), (24, 1305245), (30, 1044196), (40, 783147), (60, 522098), (120, 261049), (281, 111480), (562, 55740), (843, 37160), (929, 33720), (1124, 27870), (1405, 22296), (1686, 18580), (1858, 16860), (2248, 13935), (2787, 11240), (2810, 11148), (3372, 9290), (3716, 8430), (4215, 7432), (4645, 6744), (5574, 5620)]