138557640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88819}}^1$

素因数の和:88846

約数の個数: 64

約数和(自身を含む): 447652800

約数和(自身を除く): 309095160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 88819, 177638, 266457, 355276, 444095, 532914, 710552, 888190, 1065828, 1154647, 1332285, 1776380, 2131656, 2309294, 2664570, 3463941, 3552760, 4618588, 5329140, 5773235, 6927882, 9237176, 10658280, 11546470, 13855764, 17319705, 23092940, 27711528, 34639410, 46185880, 69278820, 138557640]

約数ペア:

[(1, 138557640), (2, 69278820), (3, 46185880), (4, 34639410), (5, 27711528), (6, 23092940), (8, 17319705), (10, 13855764), (12, 11546470), (13, 10658280), (15, 9237176), (20, 6927882), (24, 5773235), (26, 5329140), (30, 4618588), (39, 3552760), (40, 3463941), (52, 2664570), (60, 2309294), (65, 2131656), (78, 1776380), (104, 1332285), (120, 1154647), (130, 1065828), (156, 888190), (195, 710552), (260, 532914), (312, 444095), (390, 355276), (520, 266457), (780, 177638), (1560, 88819)]