261721080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{727003}}^1$

素因数の和:727020

約数の個数: 48

約数和(自身を含む): 850594680

約数和(自身を除く): 588873600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 727003, 1454006, 2181009, 2908012, 3635015, 4362018, 5816024, 6543027, 7270030, 8724036, 10905045, 13086054, 14540060, 17448072, 21810090, 26172108, 29080120, 32715135, 43620180, 52344216, 65430270, 87240360, 130860540, 261721080]

約数ペア:

[(1, 261721080), (2, 130860540), (3, 87240360), (4, 65430270), (5, 52344216), (6, 43620180), (8, 32715135), (9, 29080120), (10, 26172108), (12, 21810090), (15, 17448072), (18, 14540060), (20, 13086054), (24, 10905045), (30, 8724036), (36, 7270030), (40, 6543027), (45, 5816024), (60, 4362018), (72, 3635015), (90, 2908012), (120, 2181009), (180, 1454006), (360, 727003)]