The factors of the number 1,615,152 are: 1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 23, 24, 28, 33, 38, 42, 44, 46, 48, 56, 57, 66, 69, 76, 77, 84, 88, 92, 112, 114, 132, 133, 138, 152, 154, 161, 168, 176, 184, 209, 228, 231, 253, 264, 266, 276, 304, 308, 322, 336, 368, 399, 418, 437, 456, 462, 483, 506, 528, 532, 552, 616, 627, 644, 759, 798, 836, 874, 912, 924, 966, 1012, 1064, 1104, 1232, 1254, 1288, 1311, 1463, 1518, 1596, 1672, 1748, 1771, 1848, 1932, 2024, 2128, 2508, 2576, 2622, 2926, 3036, 3059, 3192, 3344, 3496, 3542, 3696, 3864, 4048, 4389, 4807, 5016, 5244, 5313, 5852, 6072, 6118, 6384, 6992, 7084, 7728, 8778, 9177, 9614, 10032, 10488, 10626, 11704, 12144, 12236, 14168, 14421, 17556, 18354, 19228, 20976, 21252, 23408, 24472, 28336, 28842, 33649, 35112, 36708, 38456, 42504, 48944, 57684, 67298, 70224, 73416, 76912, 85008, 100947, 115368, 134596, 146832, 201894, 230736, 269192, 403788, 538384, 807576, 1615152.
If you add them up, you will get the total of 5,713,920.