68275760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121921}}^1$

素因数の和:121941

約数の個数: 40

約数和(自身を含む): 181419936

約数和(自身を除く): 113144176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121921, 243842, 487684, 609605, 853447, 975368, 1219210, 1706894, 1950736, 2438420, 3413788, 4267235, 4876840, 6827576, 8534470, 9753680, 13655152, 17068940, 34137880, 68275760]

約数ペア:

[(1, 68275760), (2, 34137880), (4, 17068940), (5, 13655152), (7, 9753680), (8, 8534470), (10, 6827576), (14, 4876840), (16, 4267235), (20, 3413788), (28, 2438420), (35, 1950736), (40, 1706894), (56, 1219210), (70, 975368), (80, 853447), (112, 609605), (140, 487684), (280, 243842), (560, 121921)]