20898702960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87077929}}^1$

素因数の和:87077945

約数の個数: 40

約数和(自身を含む): 64785979920

約数和(自身を除く): 43887276960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87077929, 174155858, 261233787, 348311716, 435389645, 522467574, 696623432, 870779290, 1044935148, 1306168935, 1393246864, 1741558580, 2089870296, 2612337870, 3483117160, 4179740592, 5224675740, 6966234320, 10449351480, 20898702960]

約数ペア:

[(1, 20898702960), (2, 10449351480), (3, 6966234320), (4, 5224675740), (5, 4179740592), (6, 3483117160), (8, 2612337870), (10, 2089870296), (12, 1741558580), (15, 1393246864), (16, 1306168935), (20, 1044935148), (24, 870779290), (30, 696623432), (40, 522467574), (48, 435389645), (60, 348311716), (80, 261233787), (120, 174155858), (240, 87077929)]