The factors of the number 4,253,760 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 211, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 422, 448, 480, 504, 560, 576, 630, 633, 672, 720, 840, 844, 960, 1008, 1055, 1120, 1260, 1266, 1344, 1440, 1477, 1680, 1688, 1899, 2016, 2110, 2240, 2520, 2532, 2880, 2954, 3165, 3360, 3376, 3798, 4032, 4220, 4431, 5040, 5064, 5908, 6330, 6720, 6752, 7385, 7596, 8440, 8862, 9495, 10080, 10128, 11816, 12660, 13293, 13504, 14770, 15192, 16880, 17724, 18990, 20160, 20256, 22155, 23632, 25320, 26586, 29540, 30384, 33760, 35448, 37980, 40512, 44310, 47264, 50640, 53172, 59080, 60768, 66465, 67520, 70896, 75960, 88620, 94528, 101280, 106344, 118160, 121536, 132930, 141792, 151920, 177240, 202560, 212688, 236320, 265860, 283584, 303840, 354480, 425376, 472640, 531720, 607680, 708960, 850752, 1063440, 1417920, 2126880, 4253760.
If you add them up, you will get the total of 16,800,576.