72667280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129763}}^1$

素因数の和:129783

約数の個数: 40

約数和(自身を含む): 193088832

約数和(自身を除く): 120421552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129763, 259526, 519052, 648815, 908341, 1038104, 1297630, 1816682, 2076208, 2595260, 3633364, 4541705, 5190520, 7266728, 9083410, 10381040, 14533456, 18166820, 36333640, 72667280]

約数ペア:

[(1, 72667280), (2, 36333640), (4, 18166820), (5, 14533456), (7, 10381040), (8, 9083410), (10, 7266728), (14, 5190520), (16, 4541705), (20, 3633364), (28, 2595260), (35, 2076208), (40, 1816682), (56, 1297630), (70, 1038104), (80, 908341), (112, 648815), (140, 519052), (280, 259526), (560, 129763)]