1688280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 5529600

約数和(自身を除く): 3841320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1279, 1320, 2558, 3837, 5116, 6395, 7674, 10232, 12790, 14069, 15348, 19185, 25580, 28138, 30696, 38370, 42207, 51160, 56276, 70345, 76740, 84414, 112552, 140690, 153480, 168828, 211035, 281380, 337656, 422070, 562760, 844140, 1688280]

約数ペア:

[(1, 1688280), (2, 844140), (3, 562760), (4, 422070), (5, 337656), (6, 281380), (8, 211035), (10, 168828), (11, 153480), (12, 140690), (15, 112552), (20, 84414), (22, 76740), (24, 70345), (30, 56276), (33, 51160), (40, 42207), (44, 38370), (55, 30696), (60, 28138), (66, 25580), (88, 19185), (110, 15348), (120, 14069), (132, 12790), (165, 10232), (220, 7674), (264, 6395), (330, 5116), (440, 3837), (660, 2558), (1279, 1320)]