128458920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1070491}}^1$

素因数の和:1070505

約数の個数: 32

約数和(自身を含む): 385377120

約数和(自身を除く): 256918200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1070491, 2140982, 3211473, 4281964, 5352455, 6422946, 8563928, 10704910, 12845892, 16057365, 21409820, 25691784, 32114730, 42819640, 64229460, 128458920]

約数ペア:

[(1, 128458920), (2, 64229460), (3, 42819640), (4, 32114730), (5, 25691784), (6, 21409820), (8, 16057365), (10, 12845892), (12, 10704910), (15, 8563928), (20, 6422946), (24, 5352455), (30, 4281964), (40, 3211473), (60, 2140982), (120, 1070491)]