205125840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{284897}}^1$

素因数の和:284916

約数の個数: 60

約数和(自身を含む): 688883364

約数和(自身を除く): 483757524

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, 284897, 569794, 854691, 1139588, 1424485, 1709382, 2279176, 2564073, 2848970, 3418764, 4273455, 4558352, 5128146, 5697940, 6837528, 8546910, 10256292, 11395880, 12820365, 13675056, 17093820, 20512584, 22791760, 25640730, 34187640, 41025168, 51281460, 68375280, 102562920, 205125840]

約数ペア:

[(1, 205125840), (2, 102562920), (3, 68375280), (4, 51281460), (5, 41025168), (6, 34187640), (8, 25640730), (9, 22791760), (10, 20512584), (12, 17093820), (15, 13675056), (16, 12820365), (18, 11395880), (20, 10256292), (24, 8546910), (30, 6837528), (36, 5697940), (40, 5128146), (45, 4558352), (48, 4273455), (60, 3418764), (72, 2848970), (80, 2564073), (90, 2279176), (120, 1709382), (144, 1424485), (180, 1139588), (240, 854691), (360, 569794), (720, 284897)]