217343760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{905599}}^1$

素因数の和:905615

約数の個数: 40

約数和(自身を含む): 673766400

約数和(自身を除く): 456422640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 905599, 1811198, 2716797, 3622396, 4527995, 5433594, 7244792, 9055990, 10867188, 13583985, 14489584, 18111980, 21734376, 27167970, 36223960, 43468752, 54335940, 72447920, 108671880, 217343760]

約数ペア:

[(1, 217343760), (2, 108671880), (3, 72447920), (4, 54335940), (5, 43468752), (6, 36223960), (8, 27167970), (10, 21734376), (12, 18111980), (15, 14489584), (16, 13583985), (20, 10867188), (24, 9055990), (30, 7244792), (40, 5433594), (48, 4527995), (60, 3622396), (80, 2716797), (120, 1811198), (240, 905599)]