51281820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{284899}}^1$

素因数の和:284914

約数の個数: 36

約数和(自身を含む): 155555400

約数和(自身を除く): 104273580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 284899, 569798, 854697, 1139596, 1424495, 1709394, 2564091, 2848990, 3418788, 4273485, 5128182, 5697980, 8546970, 10256364, 12820455, 17093940, 25640910, 51281820]

約数ペア:

[(1, 51281820), (2, 25640910), (3, 17093940), (4, 12820455), (5, 10256364), (6, 8546970), (9, 5697980), (10, 5128182), (12, 4273485), (15, 3418788), (18, 2848990), (20, 2564091), (30, 1709394), (36, 1424495), (45, 1139596), (60, 854697), (90, 569798), (180, 284899)]