15981980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{114157}}^1$

素因数の和:114173

約数の個数: 24

約数和(自身を含む): 38357088

約数和(自身を除く): 22375108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 114157, 228314, 456628, 570785, 799099, 1141570, 1598198, 2283140, 3196396, 3995495, 7990990, 15981980]

約数ペア:

[(1, 15981980), (2, 7990990), (4, 3995495), (5, 3196396), (7, 2283140), (10, 1598198), (14, 1141570), (20, 799099), (28, 570785), (35, 456628), (70, 228314), (140, 114157)]