1285756960

素因数分解:

$2^5\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{4507}}^1$

素因数の和:6305

約数の個数: 48

約数和(自身を含む): 3039978816

約数和(自身を除く): 1754221856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1783, 3566, 4507, 7132, 8915, 9014, 14264, 17830, 18028, 22535, 28528, 35660, 36056, 45070, 57056, 71320, 72112, 90140, 142640, 144224, 180280, 285280, 360560, 721120, 8035981, 16071962, 32143924, 40179905, 64287848, 80359810, 128575696, 160719620, 257151392, 321439240, 642878480, 1285756960]

約数ペア:

[(1, 1285756960), (2, 642878480), (4, 321439240), (5, 257151392), (8, 160719620), (10, 128575696), (16, 80359810), (20, 64287848), (32, 40179905), (40, 32143924), (80, 16071962), (160, 8035981), (1783, 721120), (3566, 360560), (4507, 285280), (7132, 180280), (8915, 144224), (9014, 142640), (14264, 90140), (17830, 72112), (18028, 71320), (22535, 57056), (28528, 45070), (35660, 36056)]