1280454896

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{7001}}^1$

素因数の和:7110

約数の個数: 80

約数和(自身を含む): 3000665088

約数和(自身を除く): 1720210192

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 71, 92, 112, 142, 161, 184, 284, 322, 368, 497, 568, 644, 994, 1136, 1288, 1633, 1988, 2576, 3266, 3976, 6532, 7001, 7952, 11431, 13064, 14002, 22862, 26128, 28004, 45724, 49007, 56008, 91448, 98014, 112016, 161023, 182896, 196028, 322046, 392056, 497071, 644092, 784112, 994142, 1127161, 1288184, 1988284, 2254322, 2576368, 3479497, 3976568, 4508644, 6958994, 7953136, 9017288, 11432633, 13917988, 18034576, 22865266, 27835976, 45730532, 55671952, 80028431, 91461064, 160056862, 182922128, 320113724, 640227448, 1280454896]

約数ペア:

[(1, 1280454896), (2, 640227448), (4, 320113724), (7, 182922128), (8, 160056862), (14, 91461064), (16, 80028431), (23, 55671952), (28, 45730532), (46, 27835976), (56, 22865266), (71, 18034576), (92, 13917988), (112, 11432633), (142, 9017288), (161, 7953136), (184, 6958994), (284, 4508644), (322, 3976568), (368, 3479497), (497, 2576368), (568, 2254322), (644, 1988284), (994, 1288184), (1136, 1127161), (1288, 994142), (1633, 784112), (1988, 644092), (2576, 497071), (3266, 392056), (3976, 322046), (6532, 196028), (7001, 182896), (7952, 161023), (11431, 112016), (13064, 98014), (14002, 91448), (22862, 56008), (26128, 49007), (28004, 45724)]