27157620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64661}}^1$

素因数の和:64680

約数の個数: 48

約数和(自身を含む): 86905728

約数和(自身を除く): 59748108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64661, 129322, 193983, 258644, 323305, 387966, 452627, 646610, 775932, 905254, 969915, 1293220, 1357881, 1810508, 1939830, 2263135, 2715762, 3879660, 4526270, 5431524, 6789405, 9052540, 13578810, 27157620]

約数ペア:

[(1, 27157620), (2, 13578810), (3, 9052540), (4, 6789405), (5, 5431524), (6, 4526270), (7, 3879660), (10, 2715762), (12, 2263135), (14, 1939830), (15, 1810508), (20, 1357881), (21, 1293220), (28, 969915), (30, 905254), (35, 775932), (42, 646610), (60, 452627), (70, 387966), (84, 323305), (105, 258644), (140, 193983), (210, 129322), (420, 64661)]