68365880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155377}}^1$

素因数の和:155399

約数の個数: 32

約数和(自身を含む): 167808240

約数和(自身を除く): 99442360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155377, 310754, 621508, 776885, 1243016, 1553770, 1709147, 3107540, 3418294, 6215080, 6836588, 8545735, 13673176, 17091470, 34182940, 68365880]

約数ペア:

[(1, 68365880), (2, 34182940), (4, 17091470), (5, 13673176), (8, 8545735), (10, 6836588), (11, 6215080), (20, 3418294), (22, 3107540), (40, 1709147), (44, 1553770), (55, 1243016), (88, 776885), (110, 621508), (220, 310754), (440, 155377)]