138640620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2310677}}^1$

素因数の和:2310689

約数の個数: 24

約数和(自身を含む): 388193904

約数和(自身を除く): 249553284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2310677, 4621354, 6932031, 9242708, 11553385, 13864062, 23106770, 27728124, 34660155, 46213540, 69320310, 138640620]

約数ペア:

[(1, 138640620), (2, 69320310), (3, 46213540), (4, 34660155), (5, 27728124), (6, 23106770), (10, 13864062), (12, 11553385), (15, 9242708), (20, 6932031), (30, 4621354), (60, 2310677)]