2578440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21487}}^1$

素因数の和:21501

約数の個数: 32

約数和(自身を含む): 7735680

約数和(自身を除く): 5157240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21487, 42974, 64461, 85948, 107435, 128922, 171896, 214870, 257844, 322305, 429740, 515688, 644610, 859480, 1289220, 2578440]

約数ペア:

[(1, 2578440), (2, 1289220), (3, 859480), (4, 644610), (5, 515688), (6, 429740), (8, 322305), (10, 257844), (12, 214870), (15, 171896), (20, 128922), (24, 107435), (30, 85948), (40, 64461), (60, 42974), (120, 21487)]