31486740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1031}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 88421760

約数和(自身を除く): 56935020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 1018, 1031, 1527, 2036, 2062, 2545, 3054, 3093, 4124, 5090, 5155, 6108, 6186, 7635, 10180, 10310, 12372, 15270, 15465, 20620, 30540, 30930, 61860, 524779, 1049558, 1574337, 2099116, 2623895, 3148674, 5247790, 6297348, 7871685, 10495580, 15743370, 31486740]

約数ペア:

[(1, 31486740), (2, 15743370), (3, 10495580), (4, 7871685), (5, 6297348), (6, 5247790), (10, 3148674), (12, 2623895), (15, 2099116), (20, 1574337), (30, 1049558), (60, 524779), (509, 61860), (1018, 30930), (1031, 30540), (1527, 20620), (2036, 15465), (2062, 15270), (2545, 12372), (3054, 10310), (3093, 10180), (4124, 7635), (5090, 6186), (5155, 6108)]