68715080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245411}}^1$

素因数の和:245429

約数の個数: 32

約数和(自身を含む): 176696640

約数和(自身を除く): 107981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245411, 490822, 981644, 1227055, 1717877, 1963288, 2454110, 3435754, 4908220, 6871508, 8589385, 9816440, 13743016, 17178770, 34357540, 68715080]

約数ペア:

[(1, 68715080), (2, 34357540), (4, 17178770), (5, 13743016), (7, 9816440), (8, 8589385), (10, 6871508), (14, 4908220), (20, 3435754), (28, 2454110), (35, 1963288), (40, 1717877), (56, 1227055), (70, 981644), (140, 490822), (280, 245411)]