646666272

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{320767}}^1$

素因数の和:320790

約数の個数: 72

約数和(自身を含む): 2101671936

約数和(自身を除く): 1455005664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 320767, 641534, 962301, 1283068, 1924602, 2245369, 2566136, 2886903, 3849204, 4490738, 5132272, 5773806, 6736107, 7698408, 8981476, 10264544, 11547612, 13472214, 15396816, 17962952, 20208321, 23095224, 26944428, 30793632, 35925904, 40416642, 46190448, 53888856, 71851808, 80833284, 92380896, 107777712, 161666568, 215555424, 323333136, 646666272]

約数ペア:

[(1, 646666272), (2, 323333136), (3, 215555424), (4, 161666568), (6, 107777712), (7, 92380896), (8, 80833284), (9, 71851808), (12, 53888856), (14, 46190448), (16, 40416642), (18, 35925904), (21, 30793632), (24, 26944428), (28, 23095224), (32, 20208321), (36, 17962952), (42, 15396816), (48, 13472214), (56, 11547612), (63, 10264544), (72, 8981476), (84, 7698408), (96, 6736107), (112, 5773806), (126, 5132272), (144, 4490738), (168, 3849204), (224, 2886903), (252, 2566136), (288, 2245369), (336, 1924602), (504, 1283068), (672, 962301), (1008, 641534), (2016, 320767)]