81971568

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{27107}}^1$

素因数の和:27131

約数の個数: 80

約数和(自身を含む): 268911360

約数和(自身を除く): 186939792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 27107, 54214, 81321, 108428, 162642, 189749, 216856, 243963, 325284, 379498, 433712, 487926, 569247, 650568, 731889, 758996, 975852, 1138494, 1301136, 1463778, 1517992, 1707741, 1951704, 2276988, 2927556, 3035984, 3415482, 3903408, 4553976, 5123223, 5855112, 6830964, 9107952, 10246446, 11710224, 13661928, 20492892, 27323856, 40985784, 81971568]

約数ペア:

[(1, 81971568), (2, 40985784), (3, 27323856), (4, 20492892), (6, 13661928), (7, 11710224), (8, 10246446), (9, 9107952), (12, 6830964), (14, 5855112), (16, 5123223), (18, 4553976), (21, 3903408), (24, 3415482), (27, 3035984), (28, 2927556), (36, 2276988), (42, 1951704), (48, 1707741), (54, 1517992), (56, 1463778), (63, 1301136), (72, 1138494), (84, 975852), (108, 758996), (112, 731889), (126, 650568), (144, 569247), (168, 487926), (189, 433712), (216, 379498), (252, 325284), (336, 243963), (378, 216856), (432, 189749), (504, 162642), (756, 108428), (1008, 81321), (1512, 54214), (3024, 27107)]