68145880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{154877}}^1$

素因数の和:154899

約数の個数: 32

約数和(自身を含む): 167268240

約数和(自身を除く): 99122360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 154877, 309754, 619508, 774385, 1239016, 1548770, 1703647, 3097540, 3407294, 6195080, 6814588, 8518235, 13629176, 17036470, 34072940, 68145880]

約数ペア:

[(1, 68145880), (2, 34072940), (4, 17036470), (5, 13629176), (8, 8518235), (10, 6814588), (11, 6195080), (20, 3407294), (22, 3097540), (40, 1703647), (44, 1548770), (55, 1239016), (88, 774385), (110, 619508), (220, 309754), (440, 154877)]