15990560

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 22111840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 719, 1112, 1390, 1438, 2224, 2780, 2876, 3595, 4448, 5560, 5752, 7190, 11120, 11504, 14380, 22240, 23008, 28760, 57520, 99941, 115040, 199882, 399764, 499705, 799528, 999410, 1599056, 1998820, 3198112, 3997640, 7995280, 15990560]

約数ペア:

[(1, 15990560), (2, 7995280), (4, 3997640), (5, 3198112), (8, 1998820), (10, 1599056), (16, 999410), (20, 799528), (32, 499705), (40, 399764), (80, 199882), (139, 115040), (160, 99941), (278, 57520), (556, 28760), (695, 23008), (719, 22240), (1112, 14380), (1390, 11504), (1438, 11120), (2224, 7190), (2780, 5752), (2876, 5560), (3595, 4448)]