12901800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{21503}}^1$

素因数の和:21522

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 27095640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 21503, 43006, 64509, 86012, 107515, 129018, 172024, 215030, 258036, 322545, 430060, 516072, 537575, 645090, 860120, 1075150, 1290180, 1612725, 2150300, 2580360, 3225450, 4300600, 6450900, 12901800]

約数ペア:

[(1, 12901800), (2, 6450900), (3, 4300600), (4, 3225450), (5, 2580360), (6, 2150300), (8, 1612725), (10, 1290180), (12, 1075150), (15, 860120), (20, 645090), (24, 537575), (25, 516072), (30, 430060), (40, 322545), (50, 258036), (60, 215030), (75, 172024), (100, 129018), (120, 107515), (150, 86012), (200, 64509), (300, 43006), (600, 21503)]