1236080

素因数分解:

$2^4\times 5^1\times {\mathrm{15451}}^1$

素因数の和:15464

約数の個数: 20

約数和(自身を含む): 2874072

約数和(自身を除く): 1637992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15451, 30902, 61804, 77255, 123608, 154510, 247216, 309020, 618040, 1236080]

約数ペア:

[(1, 1236080), (2, 618040), (4, 309020), (5, 247216), (8, 154510), (10, 123608), (16, 77255), (20, 61804), (40, 30902), (80, 15451)]