216681540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{25981}}^1$

素因数の和:26132

約数の個数: 48

約数和(自身を含む): 611096640

約数和(自身を除く): 394415100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 25981, 51962, 77943, 103924, 129905, 155886, 259810, 311772, 389715, 519620, 779430, 1558860, 3611359, 7222718, 10834077, 14445436, 18056795, 21668154, 36113590, 43336308, 54170385, 72227180, 108340770, 216681540]

約数ペア:

[(1, 216681540), (2, 108340770), (3, 72227180), (4, 54170385), (5, 43336308), (6, 36113590), (10, 21668154), (12, 18056795), (15, 14445436), (20, 10834077), (30, 7222718), (60, 3611359), (139, 1558860), (278, 779430), (417, 519620), (556, 389715), (695, 311772), (834, 259810), (1390, 155886), (1668, 129905), (2085, 103924), (2780, 77943), (4170, 51962), (8340, 25981)]