15982780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72649}}^1$

素因数の和:72669

約数の個数: 24

約数和(自身を含む): 36615600

約数和(自身を除く): 20632820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72649, 145298, 290596, 363245, 726490, 799139, 1452980, 1598278, 3196556, 3995695, 7991390, 15982780]

約数ペア:

[(1, 15982780), (2, 7991390), (4, 3995695), (5, 3196556), (10, 1598278), (11, 1452980), (20, 799139), (22, 726490), (44, 363245), (55, 290596), (110, 145298), (220, 72649)]