2727920560

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{661}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 6442266240

約数和(自身を除く): 3714345680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 653, 661, 790, 1264, 1306, 1322, 1580, 2612, 2644, 3160, 3265, 3305, 5224, 5288, 6320, 6530, 6610, 10448, 10576, 13060, 13220, 26120, 26440, 51587, 52219, 52240, 52880, 103174, 104438, 206348, 208876, 257935, 261095, 412696, 417752, 431633, 515870, 522190, 825392, 835504, 863266, 1031740, 1044380, 1726532, 2063480, 2088760, 2158165, 3453064, 4126960, 4177520, 4316330, 6906128, 8632660, 17265320, 34099007, 34530640, 68198014, 136396028, 170495035, 272792056, 340990070, 545584112, 681980140, 1363960280, 2727920560]

約数ペア:

[(1, 2727920560), (2, 1363960280), (4, 681980140), (5, 545584112), (8, 340990070), (10, 272792056), (16, 170495035), (20, 136396028), (40, 68198014), (79, 34530640), (80, 34099007), (158, 17265320), (316, 8632660), (395, 6906128), (632, 4316330), (653, 4177520), (661, 4126960), (790, 3453064), (1264, 2158165), (1306, 2088760), (1322, 2063480), (1580, 1726532), (2612, 1044380), (2644, 1031740), (3160, 863266), (3265, 835504), (3305, 825392), (5224, 522190), (5288, 515870), (6320, 431633), (6530, 417752), (6610, 412696), (10448, 261095), (10576, 257935), (13060, 208876), (13220, 206348), (26120, 104438), (26440, 103174), (51587, 52880), (52219, 52240)]