81040620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350677}}^1$

素因数の和:1350689

約数の個数: 24

約数和(自身を含む): 226913904

約数和(自身を除く): 145873284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350677, 2701354, 4052031, 5402708, 6753385, 8104062, 13506770, 16208124, 20260155, 27013540, 40520310, 81040620]

約数ペア:

[(1, 81040620), (2, 40520310), (3, 27013540), (4, 20260155), (5, 16208124), (6, 13506770), (10, 8104062), (12, 6753385), (15, 5402708), (20, 4052031), (30, 2701354), (60, 1350677)]