221520660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{3581}}^1$

素因数の和:4624

約数の個数: 48

約数和(自身を含む): 621032832

約数和(自身を除く): 399512172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1031, 2062, 3093, 3581, 4124, 5155, 6186, 7162, 10310, 10743, 12372, 14324, 15465, 17905, 20620, 21486, 30930, 35810, 42972, 53715, 61860, 71620, 107430, 214860, 3692011, 7384022, 11076033, 14768044, 18460055, 22152066, 36920110, 44304132, 55380165, 73840220, 110760330, 221520660]

約数ペア:

[(1, 221520660), (2, 110760330), (3, 73840220), (4, 55380165), (5, 44304132), (6, 36920110), (10, 22152066), (12, 18460055), (15, 14768044), (20, 11076033), (30, 7384022), (60, 3692011), (1031, 214860), (2062, 107430), (3093, 71620), (3581, 61860), (4124, 53715), (5155, 42972), (6186, 35810), (7162, 30930), (10310, 21486), (10743, 20620), (12372, 17905), (14324, 15465)]