64827280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115763}}^1$

素因数の和:115783

約数の個数: 40

約数和(自身を含む): 172256832

約数和(自身を除く): 107429552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115763, 231526, 463052, 578815, 810341, 926104, 1157630, 1620682, 1852208, 2315260, 3241364, 4051705, 4630520, 6482728, 8103410, 9261040, 12965456, 16206820, 32413640, 64827280]

約数ペア:

[(1, 64827280), (2, 32413640), (4, 16206820), (5, 12965456), (7, 9261040), (8, 8103410), (10, 6482728), (14, 4630520), (16, 4051705), (20, 3241364), (28, 2315260), (35, 1852208), (40, 1620682), (56, 1157630), (70, 926104), (80, 810341), (112, 578815), (140, 463052), (280, 231526), (560, 115763)]