205127280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{284899}}^1$

素因数の和:284918

約数の個数: 60

約数和(自身を含む): 688888200

約数和(自身を除く): 483760920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 284899, 569798, 854697, 1139596, 1424495, 1709394, 2279192, 2564091, 2848990, 3418788, 4273485, 4558384, 5128182, 5697980, 6837576, 8546970, 10256364, 11395960, 12820455, 13675152, 17093940, 20512728, 22791920, 25640910, 34187880, 41025456, 51281820, 68375760, 102563640, 205127280]

約数ペア:

[(1, 205127280), (2, 102563640), (3, 68375760), (4, 51281820), (5, 41025456), (6, 34187880), (8, 25640910), (9, 22791920), (10, 20512728), (12, 17093940), (15, 13675152), (16, 12820455), (18, 11395960), (20, 10256364), (24, 8546970), (30, 6837576), (36, 5697980), (40, 5128182), (45, 4558384), (48, 4273485), (60, 3418788), (72, 2848990), (80, 2564091), (90, 2279192), (120, 1709394), (144, 1424495), (180, 1139596), (240, 854697), (360, 569798), (720, 284899)]