645160180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4608287}}^1$

素因数の和:4608303

約数の個数: 24

約数和(自身を含む): 1548384768

約数和(自身を除く): 903224588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4608287, 9216574, 18433148, 23041435, 32258009, 46082870, 64516018, 92165740, 129032036, 161290045, 322580090, 645160180]

約数ペア:

[(1, 645160180), (2, 322580090), (4, 161290045), (5, 129032036), (7, 92165740), (10, 64516018), (14, 46082870), (20, 32258009), (28, 23041435), (35, 18433148), (70, 9216574), (140, 4608287)]