82869780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 274409856

約数和(自身を除く): 191540076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 397, 420, 426, 490, 497, 588, 710, 735, 794, 852, 980, 994, 1065, 1191, 1420, 1470, 1491, 1588, 1985, 1988, 2130, 2382, 2485, 2779, 2940, 2982, 3479, 3970, 4260, 4764, 4970, 5558, 5955, 5964, 6958, 7455, 7940, 8337, 9940, 10437, 11116, 11910, 13895, 13916, 14910, 16674, 17395, 19453, 20874, 23820, 27790, 28187, 29820, 33348, 34790, 38906, 41685, 41748, 52185, 55580, 56374, 58359, 69580, 77812, 83370, 84561, 97265, 104370, 112748, 116718, 140935, 166740, 169122, 194530, 197309, 208740, 233436, 281870, 291795, 338244, 389060, 394618, 422805, 563740, 583590, 591927, 789236, 845610, 986545, 1167180, 1183854, 1381163, 1691220, 1973090, 2367708, 2762326, 2959635, 3946180, 4143489, 5524652, 5919270, 6905815, 8286978, 11838540, 13811630, 16573956, 20717445, 27623260, 41434890, 82869780]

約数ペア:

[(1, 82869780), (2, 41434890), (3, 27623260), (4, 20717445), (5, 16573956), (6, 13811630), (7, 11838540), (10, 8286978), (12, 6905815), (14, 5919270), (15, 5524652), (20, 4143489), (21, 3946180), (28, 2959635), (30, 2762326), (35, 2367708), (42, 1973090), (49, 1691220), (60, 1381163), (70, 1183854), (71, 1167180), (84, 986545), (98, 845610), (105, 789236), (140, 591927), (142, 583590), (147, 563740), (196, 422805), (210, 394618), (213, 389060), (245, 338244), (284, 291795), (294, 281870), (355, 233436), (397, 208740), (420, 197309), (426, 194530), (490, 169122), (497, 166740), (588, 140935), (710, 116718), (735, 112748), (794, 104370), (852, 97265), (980, 84561), (994, 83370), (1065, 77812), (1191, 69580), (1420, 58359), (1470, 56374), (1491, 55580), (1588, 52185), (1985, 41748), (1988, 41685), (2130, 38906), (2382, 34790), (2485, 33348), (2779, 29820), (2940, 28187), (2982, 27790), (3479, 23820), (3970, 20874), (4260, 19453), (4764, 17395), (4970, 16674), (5558, 14910), (5955, 13916), (5964, 13895), (6958, 11910), (7455, 11116), (7940, 10437), (8337, 9940)]