The factors of the number 10,373,440 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 421, 440, 448, 560, 616, 704, 770, 842, 880, 1120, 1232, 1540, 1684, 1760, 2105, 2240, 2464, 2947, 3080, 3368, 3520, 4210, 4631, 4928, 5894, 6160, 6736, 8420, 9262, 11788, 12320, 13472, 14735, 16840, 18524, 23155, 23576, 24640, 26944, 29470, 32417, 33680, 37048, 46310, 47152, 58940, 64834, 67360, 74096, 92620, 94304, 117880, 129668, 134720, 148192, 162085, 185240, 188608, 235760, 259336, 296384, 324170, 370480, 471520, 518672, 648340, 740960, 943040, 1037344, 1296680, 1481920, 2074688, 2593360, 5186720, 10373440.
If you add them up, you will get the total of 30,870,144.