68475880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155627}}^1$

素因数の和:155649

約数の個数: 32

約数和(自身を含む): 168078240

約数和(自身を除く): 99602360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155627, 311254, 622508, 778135, 1245016, 1556270, 1711897, 3112540, 3423794, 6225080, 6847588, 8559485, 13695176, 17118970, 34237940, 68475880]

約数ペア:

[(1, 68475880), (2, 34237940), (4, 17118970), (5, 13695176), (8, 8559485), (10, 6847588), (11, 6225080), (20, 3423794), (22, 3112540), (40, 1711897), (44, 1556270), (55, 1245016), (88, 778135), (110, 622508), (220, 311254), (440, 155627)]