The factors of the number 1,024,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 97, 110, 120, 132, 160, 165, 176, 192, 194, 220, 240, 264, 291, 320, 330, 352, 388, 440, 480, 485, 528, 582, 660, 704, 776, 880, 960, 970, 1056, 1067, 1164, 1320, 1455, 1552, 1760, 1940, 2112, 2134, 2328, 2640, 2910, 3104, 3201, 3520, 3880, 4268, 4656, 5280, 5335, 5820, 6208, 6402, 7760, 8536, 9312, 10560, 10670, 11640, 12804, 15520, 16005, 17072, 18624, 21340, 23280, 25608, 31040, 32010, 34144, 42680, 46560, 51216, 64020, 68288, 85360, 93120, 102432, 128040, 170720, 204864, 256080, 341440, 512160, 1024320.
If you add them up, you will get the total of 1,024,322. Now subtract 1,024,320 to get 2,560,128