The factors of the number 6,572,720 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 97, 110, 112, 121, 140, 154, 176, 194, 220, 242, 280, 308, 385, 388, 440, 484, 485, 560, 605, 616, 679, 770, 776, 847, 880, 968, 970, 1067, 1210, 1232, 1358, 1540, 1552, 1694, 1936, 1940, 2134, 2420, 2716, 3080, 3388, 3395, 3880, 4235, 4268, 4840, 5335, 5432, 6160, 6776, 6790, 7469, 7760, 8470, 8536, 9680, 10670, 10864, 11737, 13552, 13580, 14938, 16940, 17072, 21340, 23474, 27160, 29876, 33880, 37345, 42680, 46948, 54320, 58685, 59752, 67760, 74690, 82159, 85360, 93896, 117370, 119504, 149380, 164318, 187792, 234740, 298760, 328636, 410795, 469480, 597520, 657272, 821590, 938960, 1314544, 1643180, 3286360, 6572720.
If you add them up, you will get the total of 19,394,592.