2861276480

素因数分解:

$2^6\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{6991}}^1$

素因数の和:8287

約数の個数: 56

約数和(自身を含む): 6819717120

約数和(自身を除く): 3958440640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1279, 2558, 5116, 6395, 6991, 10232, 12790, 13982, 20464, 25580, 27964, 34955, 40928, 51160, 55928, 69910, 81856, 102320, 111856, 139820, 204640, 223712, 279640, 409280, 447424, 559280, 1118560, 2237120, 8941489, 17882978, 35765956, 44707445, 71531912, 89414890, 143063824, 178829780, 286127648, 357659560, 572255296, 715319120, 1430638240, 2861276480]

約数ペア:

[(1, 2861276480), (2, 1430638240), (4, 715319120), (5, 572255296), (8, 357659560), (10, 286127648), (16, 178829780), (20, 143063824), (32, 89414890), (40, 71531912), (64, 44707445), (80, 35765956), (160, 17882978), (320, 8941489), (1279, 2237120), (2558, 1118560), (5116, 559280), (6395, 447424), (6991, 409280), (10232, 279640), (12790, 223712), (13982, 204640), (20464, 139820), (25580, 111856), (27964, 102320), (34955, 81856), (40928, 69910), (51160, 55928)]