15286980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{254783}}^1$

素因数の和:254795

約数の個数: 24

約数和(自身を含む): 42803712

約数和(自身を除く): 27516732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 254783, 509566, 764349, 1019132, 1273915, 1528698, 2547830, 3057396, 3821745, 5095660, 7643490, 15286980]

約数ペア:

[(1, 15286980), (2, 7643490), (3, 5095660), (4, 3821745), (5, 3057396), (6, 2547830), (10, 1528698), (12, 1273915), (15, 1019132), (20, 764349), (30, 509566), (60, 254783)]