51904620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{288359}}^1$

素因数の和:288374

約数の個数: 36

約数和(自身を含む): 157444560

約数和(自身を除く): 105539940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 288359, 576718, 865077, 1153436, 1441795, 1730154, 2595231, 2883590, 3460308, 4325385, 5190462, 5767180, 8650770, 10380924, 12976155, 17301540, 25952310, 51904620]

約数ペア:

[(1, 51904620), (2, 25952310), (3, 17301540), (4, 12976155), (5, 10380924), (6, 8650770), (9, 5767180), (10, 5190462), (12, 4325385), (15, 3460308), (18, 2883590), (20, 2595231), (30, 1730154), (36, 1441795), (45, 1153436), (60, 865077), (90, 576718), (180, 288359)]