78902220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315037}}^1$

素因数の和:1315049

約数の個数: 24

約数和(自身を含む): 220926384

約数和(自身を除く): 142024164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315037, 2630074, 3945111, 5260148, 6575185, 7890222, 13150370, 15780444, 19725555, 26300740, 39451110, 78902220]

約数ペア:

[(1, 78902220), (2, 39451110), (3, 26300740), (4, 19725555), (5, 15780444), (6, 13150370), (10, 7890222), (12, 6575185), (15, 5260148), (20, 3945111), (30, 2630074), (60, 1315037)]