78318990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{870211}}^1$

素因数の和:870224

約数の個数: 24

約数和(自身を含む): 203629608

約数和(自身を除く): 125310618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 870211, 1740422, 2610633, 4351055, 5221266, 7831899, 8702110, 13053165, 15663798, 26106330, 39159495, 78318990]

約数ペア:

[(1, 78318990), (2, 39159495), (3, 26106330), (5, 15663798), (6, 13053165), (9, 8702110), (10, 7831899), (15, 5221266), (18, 4351055), (30, 2610633), (45, 1740422), (90, 870211)]