The factors of the number 87,780,528 are: 1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 151, 176, 198, 264, 302, 367, 396, 453, 528, 604, 734, 792, 906, 1101, 1208, 1359, 1468, 1584, 1661, 1812, 2202, 2416, 2718, 2936, 3303, 3322, 3624, 4037, 4404, 4983, 5436, 5872, 6606, 6644, 7248, 8074, 8808, 9966, 10872, 12111, 13212, 13288, 14949, 16148, 17616, 19932, 21744, 24222, 26424, 26576, 29898, 32296, 36333, 39864, 48444, 52848, 55417, 59796, 64592, 72666, 79728, 96888, 110834, 119592, 145332, 166251, 193776, 221668, 239184, 290664, 332502, 443336, 498753, 581328, 609587, 665004, 886672, 997506, 1219174, 1330008, 1828761, 1995012, 2438348, 2660016, 3657522, 3990024, 4876696, 5486283, 7315044, 7980048, 9753392, 10972566, 14630088, 21945132, 29260176, 43890264, 87780528.
If you add them up, you will get the total of 270,506,496.