The factors of the number 135,675,504 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 304, 306, 323, 342, 408, 456, 612, 646, 684, 816, 912, 969, 1224, 1292, 1368, 1938, 2448, 2584, 2736, 2907, 2917, 3876, 5168, 5814, 5834, 7752, 8751, 11628, 11668, 15504, 17502, 23256, 23336, 26253, 35004, 46512, 46672, 49589, 52506, 55423, 70008, 99178, 105012, 110846, 140016, 148767, 166269, 198356, 210024, 221692, 297534, 332538, 396712, 420048, 443384, 446301, 498807, 595068, 665076, 793424, 886768, 892602, 942191, 997614, 1190136, 1330152, 1785204, 1884382, 1995228, 2380272, 2660304, 2826573, 3570408, 3768764, 3990456, 5653146, 7140816, 7537528, 7980912, 8479719, 11306292, 15075056, 16959438, 22612584, 33918876, 45225168, 67837752, 135675504.
If you add them up, you will get the total of 423,343,440.