68541880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155777}}^1$

素因数の和:155799

約数の個数: 32

約数和(自身を含む): 168240240

約数和(自身を除く): 99698360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155777, 311554, 623108, 778885, 1246216, 1557770, 1713547, 3115540, 3427094, 6231080, 6854188, 8567735, 13708376, 17135470, 34270940, 68541880]

約数ペア:

[(1, 68541880), (2, 34270940), (4, 17135470), (5, 13708376), (8, 8567735), (10, 6854188), (11, 6231080), (20, 3427094), (22, 3115540), (40, 1713547), (44, 1557770), (55, 1246216), (88, 778885), (110, 623108), (220, 311554), (440, 155777)]