87490980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{486061}}^1$

素因数の和:486076

約数の個数: 36

約数和(自身を含む): 265389852

約数和(自身を除く): 177898872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 486061, 972122, 1458183, 1944244, 2430305, 2916366, 4374549, 4860610, 5832732, 7290915, 8749098, 9721220, 14581830, 17498196, 21872745, 29163660, 43745490, 87490980]

約数ペア:

[(1, 87490980), (2, 43745490), (3, 29163660), (4, 21872745), (5, 17498196), (6, 14581830), (9, 9721220), (10, 8749098), (12, 7290915), (15, 5832732), (18, 4860610), (20, 4374549), (30, 2916366), (36, 2430305), (45, 1944244), (60, 1458183), (90, 972122), (180, 486061)]