71781260

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{15017}}^1$

素因数の和:15265

約数の個数: 24

約数和(自身を含む): 151381440

約数和(自身を除く): 79600180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 15017, 30034, 60068, 75085, 150170, 300340, 3589063, 7178126, 14356252, 17945315, 35890630, 71781260]

約数ペア:

[(1, 71781260), (2, 35890630), (4, 17945315), (5, 14356252), (10, 7178126), (20, 3589063), (239, 300340), (478, 150170), (956, 75085), (1195, 60068), (2390, 30034), (4780, 15017)]