78851080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25601}}^1$

素因数の和:25630

約数の個数: 64

約数和(自身を含む): 221201280

約数和(自身を除く): 142350200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25601, 51202, 102404, 128005, 179207, 204808, 256010, 281611, 358414, 512020, 563222, 716828, 896035, 1024040, 1126444, 1408055, 1433656, 1792070, 1971277, 2252888, 2816110, 3584140, 3942554, 5632220, 7168280, 7885108, 9856385, 11264440, 15770216, 19712770, 39425540, 78851080]

約数ペア:

[(1, 78851080), (2, 39425540), (4, 19712770), (5, 15770216), (7, 11264440), (8, 9856385), (10, 7885108), (11, 7168280), (14, 5632220), (20, 3942554), (22, 3584140), (28, 2816110), (35, 2252888), (40, 1971277), (44, 1792070), (55, 1433656), (56, 1408055), (70, 1126444), (77, 1024040), (88, 896035), (110, 716828), (140, 563222), (154, 512020), (220, 358414), (280, 281611), (308, 256010), (385, 204808), (440, 179207), (616, 128005), (770, 102404), (1540, 51202), (3080, 25601)]