65660220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{40531}}^1$

素因数の和:40552

約数の個数: 60

約数和(自身を含む): 205983624

約数和(自身を除く): 140323404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 40531, 81062, 121593, 162124, 202655, 243186, 364779, 405310, 486372, 607965, 729558, 810620, 1094337, 1215930, 1459116, 1823895, 2188674, 2431860, 3283011, 3647790, 4377348, 5471685, 6566022, 7295580, 10943370, 13132044, 16415055, 21886740, 32830110, 65660220]

約数ペア:

[(1, 65660220), (2, 32830110), (3, 21886740), (4, 16415055), (5, 13132044), (6, 10943370), (9, 7295580), (10, 6566022), (12, 5471685), (15, 4377348), (18, 3647790), (20, 3283011), (27, 2431860), (30, 2188674), (36, 1823895), (45, 1459116), (54, 1215930), (60, 1094337), (81, 810620), (90, 729558), (108, 607965), (135, 486372), (162, 405310), (180, 364779), (270, 243186), (324, 202655), (405, 162124), (540, 121593), (810, 81062), (1620, 40531)]