31231140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1663}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 87779328

約数和(自身を除く): 56548188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1663, 1878, 3130, 3326, 3756, 4695, 4989, 6260, 6652, 8315, 9390, 9978, 16630, 18780, 19956, 24945, 33260, 49890, 99780, 520519, 1041038, 1561557, 2082076, 2602595, 3123114, 5205190, 6246228, 7807785, 10410380, 15615570, 31231140]

約数ペア:

[(1, 31231140), (2, 15615570), (3, 10410380), (4, 7807785), (5, 6246228), (6, 5205190), (10, 3123114), (12, 2602595), (15, 2082076), (20, 1561557), (30, 1041038), (60, 520519), (313, 99780), (626, 49890), (939, 33260), (1252, 24945), (1565, 19956), (1663, 18780), (1878, 16630), (3130, 9978), (3326, 9390), (3756, 8315), (4695, 6652), (4989, 6260)]