81796620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1363277}}^1$

素因数の和:1363289

約数の個数: 24

約数和(自身を含む): 229030704

約数和(自身を除く): 147234084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1363277, 2726554, 4089831, 5453108, 6816385, 8179662, 13632770, 16359324, 20449155, 27265540, 40898310, 81796620]

約数ペア:

[(1, 81796620), (2, 40898310), (3, 27265540), (4, 20449155), (5, 16359324), (6, 13632770), (10, 8179662), (12, 6816385), (15, 5453108), (20, 4089831), (30, 2726554), (60, 1363277)]