78554220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1309237}}^1$

素因数の和:1309249

約数の個数: 24

約数和(自身を含む): 219951984

約数和(自身を除く): 141397764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1309237, 2618474, 3927711, 5236948, 6546185, 7855422, 13092370, 15710844, 19638555, 26184740, 39277110, 78554220]

約数ペア:

[(1, 78554220), (2, 39277110), (3, 26184740), (4, 19638555), (5, 15710844), (6, 13092370), (10, 7855422), (12, 6546185), (15, 5236948), (20, 3927711), (30, 2618474), (60, 1309237)]