64871880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540599}}^1$

素因数の和:540613

約数の個数: 32

約数和(自身を含む): 194616000

約数和(自身を除く): 129744120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540599, 1081198, 1621797, 2162396, 2702995, 3243594, 4324792, 5405990, 6487188, 8108985, 10811980, 12974376, 16217970, 21623960, 32435940, 64871880]

約数ペア:

[(1, 64871880), (2, 32435940), (3, 21623960), (4, 16217970), (5, 12974376), (6, 10811980), (8, 8108985), (10, 6487188), (12, 5405990), (15, 4324792), (20, 3243594), (24, 2702995), (30, 2162396), (40, 1621797), (60, 1081198), (120, 540599)]