15231620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5479}}^1$

素因数の和:5627

約数の個数: 24

約数和(自身を含む): 32222400

約数和(自身を除く): 16990780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 5479, 10958, 21916, 27395, 54790, 109580, 761581, 1523162, 3046324, 3807905, 7615810, 15231620]

約数ペア:

[(1, 15231620), (2, 7615810), (4, 3807905), (5, 3046324), (10, 1523162), (20, 761581), (139, 109580), (278, 54790), (556, 27395), (695, 21916), (1390, 10958), (2780, 5479)]