31180620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3967}}^1$

素因数の和:4110

約数の個数: 48

約数和(自身を含む): 87994368

約数和(自身を除く): 56813748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 3967, 7860, 7934, 11901, 15868, 19835, 23802, 39670, 47604, 59505, 79340, 119010, 238020, 519677, 1039354, 1559031, 2078708, 2598385, 3118062, 5196770, 6236124, 7795155, 10393540, 15590310, 31180620]

約数ペア:

[(1, 31180620), (2, 15590310), (3, 10393540), (4, 7795155), (5, 6236124), (6, 5196770), (10, 3118062), (12, 2598385), (15, 2078708), (20, 1559031), (30, 1039354), (60, 519677), (131, 238020), (262, 119010), (393, 79340), (524, 59505), (655, 47604), (786, 39670), (1310, 23802), (1572, 19835), (1965, 15868), (2620, 11901), (3930, 7934), (3967, 7860)]