1520680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5431}}^1$

素因数の和:5449

約数の個数: 32

約数和(自身を含む): 3911040

約数和(自身を除く): 2390360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5431, 10862, 21724, 27155, 38017, 43448, 54310, 76034, 108620, 152068, 190085, 217240, 304136, 380170, 760340, 1520680]

約数ペア:

[(1, 1520680), (2, 760340), (4, 380170), (5, 304136), (7, 217240), (8, 190085), (10, 152068), (14, 108620), (20, 76034), (28, 54310), (35, 43448), (40, 38017), (56, 27155), (70, 21724), (140, 10862), (280, 5431)]