64735880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{881}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 160030080

約数和(自身を除く): 95294200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 835, 881, 1336, 1670, 1762, 1837, 3340, 3524, 3674, 4405, 6680, 7048, 7348, 8810, 9185, 9691, 14696, 17620, 18370, 19382, 35240, 36740, 38764, 48455, 73480, 77528, 96910, 147127, 193820, 294254, 387640, 588508, 735635, 1177016, 1471270, 1618397, 2942540, 3236794, 5885080, 6473588, 8091985, 12947176, 16183970, 32367940, 64735880]

約数ペア:

[(1, 64735880), (2, 32367940), (4, 16183970), (5, 12947176), (8, 8091985), (10, 6473588), (11, 5885080), (20, 3236794), (22, 2942540), (40, 1618397), (44, 1471270), (55, 1177016), (88, 735635), (110, 588508), (167, 387640), (220, 294254), (334, 193820), (440, 147127), (668, 96910), (835, 77528), (881, 73480), (1336, 48455), (1670, 38764), (1762, 36740), (1837, 35240), (3340, 19382), (3524, 18370), (3674, 17620), (4405, 14696), (6680, 9691), (7048, 9185), (7348, 8810)]