1515640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5413}}^1$

素因数の和:5431

約数の個数: 32

約数和(自身を含む): 3898080

約数和(自身を除く): 2382440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5413, 10826, 21652, 27065, 37891, 43304, 54130, 75782, 108260, 151564, 189455, 216520, 303128, 378910, 757820, 1515640]

約数ペア:

[(1, 1515640), (2, 757820), (4, 378910), (5, 303128), (7, 216520), (8, 189455), (10, 151564), (14, 108260), (20, 75782), (28, 54130), (35, 43304), (40, 37891), (56, 27065), (70, 21652), (140, 10826), (280, 5413)]