1520981660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{28927}}^1$

素因数の和:29186

約数の個数: 48

約数和(自身を含む): 3499130880

約数和(自身を除く): 1978149220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 4780, 5258, 10516, 13145, 26290, 28927, 52580, 57854, 115708, 144635, 289270, 318197, 578540, 636394, 1272788, 1590985, 3181970, 6363940, 6913553, 13827106, 27654212, 34567765, 69135530, 76049083, 138271060, 152098166, 304196332, 380245415, 760490830, 1520981660]

約数ペア:

[(1, 1520981660), (2, 760490830), (4, 380245415), (5, 304196332), (10, 152098166), (11, 138271060), (20, 76049083), (22, 69135530), (44, 34567765), (55, 27654212), (110, 13827106), (220, 6913553), (239, 6363940), (478, 3181970), (956, 1590985), (1195, 1272788), (2390, 636394), (2629, 578540), (4780, 318197), (5258, 289270), (10516, 144635), (13145, 115708), (26290, 57854), (28927, 52580)]