67040680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239431}}^1$

素因数の和:239449

約数の個数: 32

約数和(自身を含む): 172391040

約数和(自身を除く): 105350360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239431, 478862, 957724, 1197155, 1676017, 1915448, 2394310, 3352034, 4788620, 6704068, 8380085, 9577240, 13408136, 16760170, 33520340, 67040680]

約数ペア:

[(1, 67040680), (2, 33520340), (4, 16760170), (5, 13408136), (7, 9577240), (8, 8380085), (10, 6704068), (14, 4788620), (20, 3352034), (28, 2394310), (35, 1915448), (40, 1676017), (56, 1197155), (70, 957724), (140, 478862), (280, 239431)]