The factors of the number 320,003,320 are: 1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 91, 95, 98, 104, 130, 133, 140, 152, 182, 190, 196, 245, 247, 260, 266, 280, 364, 380, 392, 455, 490, 494, 520, 532, 637, 661, 665, 728, 760, 910, 931, 980, 988, 1064, 1235, 1274, 1322, 1330, 1729, 1820, 1862, 1960, 1976, 2470, 2548, 2644, 2660, 3185, 3305, 3458, 3640, 3724, 4627, 4655, 4940, 5096, 5288, 5320, 6370, 6610, 6916, 7448, 8593, 8645, 9254, 9310, 9880, 12103, 12559, 12740, 13220, 13832, 17186, 17290, 18508, 18620, 23135, 24206, 25118, 25480, 26440, 32389, 34372, 34580, 37016, 37240, 42965, 46270, 48412, 50236, 60151, 60515, 62795, 64778, 68744, 69160, 85930, 87913, 92540, 96824, 100472, 120302, 121030, 125590, 129556, 161945, 163267, 171860, 175826, 185080, 240604, 242060, 251180, 259112, 300755, 323890, 326534, 343720, 351652, 421057, 439565, 481208, 484120, 502360, 601510, 615391, 647780, 653068, 703304, 816335, 842114, 879130, 1142869, 1203020, 1230782, 1295560, 1306136, 1632670, 1684228, 1758260, 2105285, 2285738, 2406040, 2461564, 3076955, 3265340, 3368456, 3516520, 4210570, 4571476, 4923128, 5714345, 6153910, 6530680, 8000083, 8421140, 9142952, 11428690, 12307820, 16000166, 16842280, 22857380, 24615640, 32000332, 40000415, 45714760, 64000664, 80000830, 160001660, 320003320.
If you add them up, you will get the total of 950,896,800.