31125160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 77137920

約数和(自身を除く): 46012760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 557, 635, 1016, 1114, 1270, 1397, 2228, 2540, 2785, 2794, 4456, 5080, 5570, 5588, 6127, 6985, 11140, 11176, 12254, 13970, 22280, 24508, 27940, 30635, 49016, 55880, 61270, 70739, 122540, 141478, 245080, 282956, 353695, 565912, 707390, 778129, 1414780, 1556258, 2829560, 3112516, 3890645, 6225032, 7781290, 15562580, 31125160]

約数ペア:

[(1, 31125160), (2, 15562580), (4, 7781290), (5, 6225032), (8, 3890645), (10, 3112516), (11, 2829560), (20, 1556258), (22, 1414780), (40, 778129), (44, 707390), (55, 565912), (88, 353695), (110, 282956), (127, 245080), (220, 141478), (254, 122540), (440, 70739), (508, 61270), (557, 55880), (635, 49016), (1016, 30635), (1114, 27940), (1270, 24508), (1397, 22280), (2228, 13970), (2540, 12254), (2785, 11176), (2794, 11140), (4456, 6985), (5080, 6127), (5570, 5588)]