7680680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27431}}^1$

素因数の和:27449

約数の個数: 32

約数和(自身を含む): 19751040

約数和(自身を除く): 12070360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27431, 54862, 109724, 137155, 192017, 219448, 274310, 384034, 548620, 768068, 960085, 1097240, 1536136, 1920170, 3840340, 7680680]

約数ペア:

[(1, 7680680), (2, 3840340), (4, 1920170), (5, 1536136), (7, 1097240), (8, 960085), (10, 768068), (14, 548620), (20, 384034), (28, 274310), (35, 219448), (40, 192017), (56, 137155), (70, 109724), (140, 54862), (280, 27431)]