80621340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1343689}}^1$

素因数の和:1343701

約数の個数: 24

約数和(自身を含む): 225739920

約数和(自身を除く): 145118580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1343689, 2687378, 4031067, 5374756, 6718445, 8062134, 13436890, 16124268, 20155335, 26873780, 40310670, 80621340]

約数ペア:

[(1, 80621340), (2, 40310670), (3, 26873780), (4, 20155335), (5, 16124268), (6, 13436890), (10, 8062134), (12, 6718445), (15, 5374756), (20, 4031067), (30, 2687378), (60, 1343689)]