The factors of the number 324,728,352 are: 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 32, 36, 39, 46, 48, 52, 54, 69, 72, 78, 81, 92, 96, 104, 108, 117, 138, 144, 156, 162, 184, 207, 208, 216, 234, 276, 288, 299, 312, 324, 351, 368, 414, 416, 419, 432, 468, 552, 598, 621, 624, 648, 702, 736, 828, 838, 864, 897, 936, 1053, 1104, 1196, 1242, 1248, 1257, 1296, 1404, 1656, 1676, 1794, 1863, 1872, 2106, 2208, 2392, 2484, 2514, 2592, 2691, 2808, 3312, 3352, 3588, 3726, 3744, 3771, 4212, 4784, 4968, 5028, 5382, 5447, 5616, 6624, 6704, 7176, 7452, 7542, 8073, 8424, 9568, 9637, 9936, 10056, 10764, 10894, 11232, 11313, 13408, 14352, 14904, 15084, 16146, 16341, 16848, 19274, 19872, 20112, 21528, 21788, 22626, 24219, 28704, 28911, 29808, 30168, 32292, 32682, 33696, 33939, 38548, 40224, 43056, 43576, 45252, 48438, 49023, 57822, 59616, 60336, 64584, 65364, 67878, 77096, 86112, 86733, 87152, 90504, 96876, 98046, 115644, 120672, 125281, 129168, 130728, 135756, 147069, 154192, 173466, 174304, 181008, 193752, 196092, 231288, 250562, 258336, 260199, 261456, 271512, 294138, 308384, 346932, 362016, 375843, 387504, 392184, 441207, 462576, 501124, 520398, 522912, 543024, 588276, 693864, 751686, 775008, 780597, 784368, 882414, 925152, 1002248, 1040796, 1086048, 1127529, 1176552, 1387728, 1503372, 1561194, 1568736, 1764828, 2004496, 2081592, 2255058, 2353104, 2775456, 3006744, 3122388, 3382587, 3529656, 4008992, 4163184, 4510116, 4706208, 6013488, 6244776, 6765174, 7059312, 8326368, 9020232, 10147761, 12026976, 12489552, 13530348, 14118624, 18040464, 20295522, 24979104, 27060696, 36080928, 40591044, 54121392, 81182088, 108242784, 162364176, 324728352.
If you add them up, you will get the total of 1,075,757,760.