15721580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112297}}^1$

素因数の和:112313

約数の個数: 24

約数和(自身を含む): 37732128

約数和(自身を除く): 22010548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112297, 224594, 449188, 561485, 786079, 1122970, 1572158, 2245940, 3144316, 3930395, 7860790, 15721580]

約数ペア:

[(1, 15721580), (2, 7860790), (4, 3930395), (5, 3144316), (7, 2245940), (10, 1572158), (14, 1122970), (20, 786079), (28, 561485), (35, 449188), (70, 224594), (140, 112297)]