81586740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79987}}^1$

素因数の和:80016

約数の個数: 48

約数和(自身を含む): 241883712

約数和(自身を除く): 160296972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79987, 159974, 239961, 319948, 399935, 479922, 799870, 959844, 1199805, 1359779, 1599740, 2399610, 2719558, 4079337, 4799220, 5439116, 6798895, 8158674, 13597790, 16317348, 20396685, 27195580, 40793370, 81586740]

約数ペア:

[(1, 81586740), (2, 40793370), (3, 27195580), (4, 20396685), (5, 16317348), (6, 13597790), (10, 8158674), (12, 6798895), (15, 5439116), (17, 4799220), (20, 4079337), (30, 2719558), (34, 2399610), (51, 1599740), (60, 1359779), (68, 1199805), (85, 959844), (102, 799870), (170, 479922), (204, 399935), (255, 319948), (340, 239961), (510, 159974), (1020, 79987)]