66649240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2311}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 173122560

約数和(自身を除く): 106473320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2311, 2884, 3605, 4120, 4622, 5768, 7210, 9244, 11555, 14420, 16177, 18488, 23110, 28840, 32354, 46220, 64708, 80885, 92440, 129416, 161770, 238033, 323540, 476066, 647080, 952132, 1190165, 1666231, 1904264, 2380330, 3332462, 4760660, 6664924, 8331155, 9521320, 13329848, 16662310, 33324620, 66649240]

約数ペア:

[(1, 66649240), (2, 33324620), (4, 16662310), (5, 13329848), (7, 9521320), (8, 8331155), (10, 6664924), (14, 4760660), (20, 3332462), (28, 2380330), (35, 1904264), (40, 1666231), (56, 1190165), (70, 952132), (103, 647080), (140, 476066), (206, 323540), (280, 238033), (412, 161770), (515, 129416), (721, 92440), (824, 80885), (1030, 64708), (1442, 46220), (2060, 32354), (2311, 28840), (2884, 23110), (3605, 18488), (4120, 16177), (4622, 14420), (5768, 11555), (7210, 9244)]