31487520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{65599}}^1$

素因数の和:65617

約数の個数: 48

約数和(自身を含む): 99187200

約数和(自身を除く): 67699680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 65599, 131198, 196797, 262396, 327995, 393594, 524792, 655990, 787188, 983985, 1049584, 1311980, 1574376, 1967970, 2099168, 2623960, 3148752, 3935940, 5247920, 6297504, 7871880, 10495840, 15743760, 31487520]

約数ペア:

[(1, 31487520), (2, 15743760), (3, 10495840), (4, 7871880), (5, 6297504), (6, 5247920), (8, 3935940), (10, 3148752), (12, 2623960), (15, 2099168), (16, 1967970), (20, 1574376), (24, 1311980), (30, 1049584), (32, 983985), (40, 787188), (48, 655990), (60, 524792), (80, 393594), (96, 327995), (120, 262396), (160, 196797), (240, 131198), (480, 65599)]