The factors of the number 78,026,256 are: 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 31, 33, 36, 42, 44, 48, 56, 62, 63, 66, 72, 77, 84, 88, 93, 99, 112, 124, 126, 132, 144, 154, 168, 176, 186, 198, 217, 227, 231, 248, 252, 264, 279, 308, 336, 341, 372, 396, 434, 454, 462, 496, 504, 528, 558, 616, 651, 681, 682, 693, 744, 792, 868, 908, 924, 1008, 1023, 1116, 1232, 1302, 1362, 1364, 1386, 1488, 1584, 1589, 1736, 1816, 1848, 1953, 2043, 2046, 2232, 2387, 2497, 2604, 2724, 2728, 2772, 3069, 3178, 3472, 3632, 3696, 3906, 4086, 4092, 4464, 4767, 4774, 4994, 5208, 5448, 5456, 5544, 6138, 6356, 7037, 7161, 7491, 7812, 8172, 8184, 9534, 9548, 9988, 10416, 10896, 11088, 12276, 12712, 14074, 14301, 14322, 14982, 15624, 16344, 16368, 17479, 19068, 19096, 19976, 21111, 21483, 22473, 24552, 25424, 28148, 28602, 28644, 29964, 31248, 32688, 34958, 38136, 38192, 39952, 42222, 42966, 44946, 49104, 49259, 52437, 56296, 57204, 57288, 59928, 63333, 69916, 76272, 77407, 84444, 85932, 89892, 98518, 104874, 112592, 114408, 114576, 119856, 126666, 139832, 147777, 154814, 157311, 168888, 171864, 179784, 197036, 209748, 228816, 232221, 253332, 279664, 295554, 309628, 314622, 337776, 343728, 359568, 394072, 419496, 443331, 464442, 506664, 541849, 591108, 619256, 629244, 696663, 788144, 838992, 886662, 928884, 1013328, 1083698, 1182216, 1238512, 1258488, 1393326, 1625547, 1773324, 1857768, 2167396, 2364432, 2516976, 2786652, 3251094, 3546648, 3715536, 4334792, 4876641, 5573304, 6502188, 7093296, 8669584, 9753282, 11146608, 13004376, 19506564, 26008752, 39013128, 78026256.
If you add them up, you will get the total of 282,267,648.