81880620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1364677}}^1$

素因数の和:1364689

約数の個数: 24

約数和(自身を含む): 229265904

約数和(自身を除く): 147385284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1364677, 2729354, 4094031, 5458708, 6823385, 8188062, 13646770, 16376124, 20470155, 27293540, 40940310, 81880620]

約数ペア:

[(1, 81880620), (2, 40940310), (3, 27293540), (4, 20470155), (5, 16376124), (6, 13646770), (10, 8188062), (12, 6823385), (15, 5458708), (20, 4094031), (30, 2729354), (60, 1364677)]