64818990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{720211}}^1$

素因数の和:720224

約数の個数: 24

約数和(自身を含む): 168529608

約数和(自身を除く): 103710618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 720211, 1440422, 2160633, 3601055, 4321266, 6481899, 7202110, 10803165, 12963798, 21606330, 32409495, 64818990]

約数ペア:

[(1, 64818990), (2, 32409495), (3, 21606330), (5, 12963798), (6, 10803165), (9, 7202110), (10, 6481899), (15, 4321266), (18, 3601055), (30, 2160633), (45, 1440422), (90, 720211)]