The factors of the number 121,135,168 are: 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 56, 64, 77, 88, 94, 112, 154, 176, 188, 224, 308, 329, 352, 376, 448, 517, 523, 616, 658, 704, 752, 1034, 1046, 1232, 1316, 1504, 2068, 2092, 2464, 2632, 3008, 3619, 3661, 4136, 4184, 4928, 5264, 5753, 7238, 7322, 8272, 8368, 10528, 11506, 14476, 14644, 16544, 16736, 21056, 23012, 24581, 28952, 29288, 33088, 33472, 40271, 46024, 49162, 57904, 58576, 80542, 92048, 98324, 115808, 117152, 161084, 172067, 184096, 196648, 231616, 234304, 270391, 322168, 344134, 368192, 393296, 540782, 644336, 688268, 786592, 1081564, 1288672, 1376536, 1573184, 1892737, 2163128, 2577344, 2753072, 3785474, 4326256, 5506144, 7570948, 8652512, 11012288, 15141896, 17305024, 30283792, 60567584, 121135168.
If you add them up, you will get the total of 306,653,184.