The factors of the number 15,604,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 32, 38, 40, 48, 57, 58, 59, 60, 76, 80, 87, 95, 96, 114, 116, 118, 120, 145, 152, 160, 174, 177, 190, 228, 232, 236, 240, 285, 290, 295, 304, 348, 354, 380, 435, 456, 464, 472, 480, 551, 570, 580, 590, 608, 696, 708, 760, 870, 885, 912, 928, 944, 1102, 1121, 1140, 1160, 1180, 1392, 1416, 1520, 1653, 1711, 1740, 1770, 1824, 1888, 2204, 2242, 2280, 2320, 2360, 2755, 2784, 2832, 3040, 3306, 3363, 3422, 3480, 3540, 4408, 4484, 4560, 4640, 4720, 5133, 5510, 5605, 5664, 6612, 6726, 6844, 6960, 7080, 8265, 8555, 8816, 8968, 9120, 9440, 10266, 11020, 11210, 13224, 13452, 13688, 13920, 14160, 16530, 16815, 17110, 17632, 17936, 20532, 22040, 22420, 25665, 26448, 26904, 27376, 28320, 32509, 33060, 33630, 34220, 35872, 41064, 44080, 44840, 51330, 52896, 53808, 54752, 65018, 66120, 67260, 68440, 82128, 88160, 89680, 97527, 102660, 107616, 130036, 132240, 134520, 136880, 162545, 164256, 179360, 195054, 205320, 260072, 264480, 269040, 273760, 325090, 390108, 410640, 487635, 520144, 538080, 650180, 780216, 821280, 975270, 1040288, 1300360, 1560432, 1950540, 2600720, 3120864, 3901080, 5201440, 7802160, 15604320.
If you add them up, you will get the total of 15,604,358. Now subtract 15,604,320 to get 38,827,680