31228140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1129}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 87706080

約数和(自身を除く): 56477940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 461, 922, 1129, 1383, 1844, 2258, 2305, 2766, 3387, 4516, 4610, 5532, 5645, 6774, 6915, 9220, 11290, 13548, 13830, 16935, 22580, 27660, 33870, 67740, 520469, 1040938, 1561407, 2081876, 2602345, 3122814, 5204690, 6245628, 7807035, 10409380, 15614070, 31228140]

約数ペア:

[(1, 31228140), (2, 15614070), (3, 10409380), (4, 7807035), (5, 6245628), (6, 5204690), (10, 3122814), (12, 2602345), (15, 2081876), (20, 1561407), (30, 1040938), (60, 520469), (461, 67740), (922, 33870), (1129, 27660), (1383, 22580), (1844, 16935), (2258, 13830), (2305, 13548), (2766, 11290), (3387, 9220), (4516, 6915), (4610, 6774), (5532, 5645)]