720758872

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{5431}}^1$

素因数の和:5803

約数の個数: 32

約数和(自身を含む): 1381574880

約数和(自身を除く): 660816008

約数列:

[1, 2, 4, 8, 53, 106, 212, 313, 424, 626, 1252, 2504, 5431, 10862, 16589, 21724, 33178, 43448, 66356, 132712, 287843, 575686, 1151372, 1699903, 2302744, 3399806, 6799612, 13599224, 90094859, 180189718, 360379436, 720758872]

約数ペア:

[(1, 720758872), (2, 360379436), (4, 180189718), (8, 90094859), (53, 13599224), (106, 6799612), (212, 3399806), (313, 2302744), (424, 1699903), (626, 1151372), (1252, 575686), (2504, 287843), (5431, 132712), (10862, 66356), (16589, 43448), (21724, 33178)]