85512560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{491}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 228413952

約数和(自身を除く): 142901392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 491, 560, 622, 982, 1244, 1555, 1964, 2177, 2455, 2488, 3110, 3437, 3928, 4354, 4910, 4976, 6220, 6874, 7856, 8708, 9820, 10885, 12440, 13748, 17185, 17416, 19640, 21770, 24880, 27496, 34370, 34832, 39280, 43540, 54992, 68740, 87080, 137480, 152701, 174160, 274960, 305402, 610804, 763505, 1068907, 1221608, 1527010, 2137814, 2443216, 3054020, 4275628, 5344535, 6108040, 8551256, 10689070, 12216080, 17102512, 21378140, 42756280, 85512560]

約数ペア:

[(1, 85512560), (2, 42756280), (4, 21378140), (5, 17102512), (7, 12216080), (8, 10689070), (10, 8551256), (14, 6108040), (16, 5344535), (20, 4275628), (28, 3054020), (35, 2443216), (40, 2137814), (56, 1527010), (70, 1221608), (80, 1068907), (112, 763505), (140, 610804), (280, 305402), (311, 274960), (491, 174160), (560, 152701), (622, 137480), (982, 87080), (1244, 68740), (1555, 54992), (1964, 43540), (2177, 39280), (2455, 34832), (2488, 34370), (3110, 27496), (3437, 24880), (3928, 21770), (4354, 19640), (4910, 17416), (4976, 17185), (6220, 13748), (6874, 12440), (7856, 10885), (8708, 9820)]