The factors of the number 432,400,320 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 10560, 13649, 15840, 27298, 31680, 40947, 54596, 68245, 81894, 109192, 122841, 136490, 150139, 163788, 204735, 218384, 245682, 272980, 300278, 327576, 409470, 436768, 450417, 491364, 545960, 600556, 614205, 655152, 750695, 818940, 873536, 900834, 982728, 1091920, 1201112, 1228410, 1310304, 1351251, 1501390, 1637880, 1801668, 1965456, 2183840, 2252085, 2402224, 2456820, 2620608, 2702502, 3002780, 3275760, 3603336, 3930912, 4367680, 4504170, 4804448, 4913640, 5405004, 6005560, 6551520, 6756255, 7206672, 7861824, 9008340, 9608896, 9827280, 10810008, 12011120, 13103040, 13512510, 14413344, 18016680, 19654560, 21620016, 24022240, 27025020, 28826688, 36033360, 39309120, 43240032, 48044480, 54050040, 72066720, 86480064, 108100080, 144133440, 216200160, 432400320.
If you add them up, you will get the total of 1,622,602,800.