81610740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50377}}^1$

素因数の和:50398

約数の個数: 60

約数和(自身を含む): 256020996

約数和(自身を除く): 174410256

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, 50377, 100754, 151131, 201508, 251885, 302262, 453393, 503770, 604524, 755655, 906786, 1007540, 1360179, 1511310, 1813572, 2266965, 2720358, 3022620, 4080537, 4533930, 5440716, 6800895, 8161074, 9067860, 13601790, 16322148, 20402685, 27203580, 40805370, 81610740]

約数ペア:

[(1, 81610740), (2, 40805370), (3, 27203580), (4, 20402685), (5, 16322148), (6, 13601790), (9, 9067860), (10, 8161074), (12, 6800895), (15, 5440716), (18, 4533930), (20, 4080537), (27, 3022620), (30, 2720358), (36, 2266965), (45, 1813572), (54, 1511310), (60, 1360179), (81, 1007540), (90, 906786), (108, 755655), (135, 604524), (162, 503770), (180, 453393), (270, 302262), (324, 251885), (405, 201508), (540, 151131), (810, 100754), (1620, 50377)]