78912660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315211}}^1$

素因数の和:1315223

約数の個数: 24

約数和(自身を含む): 220955616

約数和(自身を除く): 142042956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315211, 2630422, 3945633, 5260844, 6576055, 7891266, 13152110, 15782532, 19728165, 26304220, 39456330, 78912660]

約数ペア:

[(1, 78912660), (2, 39456330), (3, 26304220), (4, 19728165), (5, 15782532), (6, 13152110), (10, 7891266), (12, 6576055), (15, 5260844), (20, 3945633), (30, 2630422), (60, 1315211)]