31343820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1669}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 88095840

約数和(自身を除く): 56752020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1669, 1878, 3130, 3338, 3756, 4695, 5007, 6260, 6676, 8345, 9390, 10014, 16690, 18780, 20028, 25035, 33380, 50070, 100140, 522397, 1044794, 1567191, 2089588, 2611985, 3134382, 5223970, 6268764, 7835955, 10447940, 15671910, 31343820]

約数ペア:

[(1, 31343820), (2, 15671910), (3, 10447940), (4, 7835955), (5, 6268764), (6, 5223970), (10, 3134382), (12, 2611985), (15, 2089588), (20, 1567191), (30, 1044794), (60, 522397), (313, 100140), (626, 50070), (939, 33380), (1252, 25035), (1565, 20028), (1669, 18780), (1878, 16690), (3130, 10014), (3338, 9390), (3756, 8345), (4695, 6676), (5007, 6260)]