80860360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{911}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 208811520

約数和(自身を除く): 127951160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 911, 1268, 1585, 1822, 2219, 2536, 3170, 3644, 4438, 4555, 6340, 6377, 7288, 8876, 9110, 11095, 12680, 12754, 17752, 18220, 22190, 25508, 31885, 36440, 44380, 51016, 63770, 88760, 127540, 255080, 288787, 577574, 1155148, 1443935, 2021509, 2310296, 2887870, 4043018, 5775740, 8086036, 10107545, 11551480, 16172072, 20215090, 40430180, 80860360]

約数ペア:

[(1, 80860360), (2, 40430180), (4, 20215090), (5, 16172072), (7, 11551480), (8, 10107545), (10, 8086036), (14, 5775740), (20, 4043018), (28, 2887870), (35, 2310296), (40, 2021509), (56, 1443935), (70, 1155148), (140, 577574), (280, 288787), (317, 255080), (634, 127540), (911, 88760), (1268, 63770), (1585, 51016), (1822, 44380), (2219, 36440), (2536, 31885), (3170, 25508), (3644, 22190), (4438, 18220), (4555, 17752), (6340, 12754), (6377, 12680), (7288, 11095), (8876, 9110)]