128754960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536479}}^1$

素因数の和:536495

約数の個数: 40

約数和(自身を含む): 399141120

約数和(自身を除く): 270386160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536479, 1072958, 1609437, 2145916, 2682395, 3218874, 4291832, 5364790, 6437748, 8047185, 8583664, 10729580, 12875496, 16094370, 21459160, 25750992, 32188740, 42918320, 64377480, 128754960]

約数ペア:

[(1, 128754960), (2, 64377480), (3, 42918320), (4, 32188740), (5, 25750992), (6, 21459160), (8, 16094370), (10, 12875496), (12, 10729580), (15, 8583664), (16, 8047185), (20, 6437748), (24, 5364790), (30, 4291832), (40, 3218874), (48, 2682395), (60, 2145916), (80, 1609437), (120, 1072958), (240, 536479)]