72688280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11287}}^1$

素因数の和:11328

約数の個数: 64

約数和(自身を含む): 195056640

約数和(自身を除く): 122368360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 11287, 22574, 45148, 56435, 79009, 90296, 112870, 158018, 225740, 259601, 316036, 395045, 451480, 519202, 632072, 790090, 1038404, 1298005, 1580180, 1817207, 2076808, 2596010, 3160360, 3634414, 5192020, 7268828, 9086035, 10384040, 14537656, 18172070, 36344140, 72688280]

約数ペア:

[(1, 72688280), (2, 36344140), (4, 18172070), (5, 14537656), (7, 10384040), (8, 9086035), (10, 7268828), (14, 5192020), (20, 3634414), (23, 3160360), (28, 2596010), (35, 2076808), (40, 1817207), (46, 1580180), (56, 1298005), (70, 1038404), (92, 790090), (115, 632072), (140, 519202), (161, 451480), (184, 395045), (230, 316036), (280, 259601), (322, 225740), (460, 158018), (644, 112870), (805, 90296), (920, 79009), (1288, 56435), (1610, 45148), (3220, 22574), (6440, 11287)]