The factors of the number 168,414,120 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 22277, 44554, 66831, 89108, 111385, 133662, 155939, 178216, 200493, 222770, 267324, 311878, 334155, 400986, 445540, 467817, 534648, 601479, 623756, 668310, 779695, 801972, 891080, 935634, 1002465, 1202958, 1247512, 1336620, 1403451, 1559390, 1603944, 1871268, 2004930, 2339085, 2405916, 2673240, 2806902, 3007395, 3118780, 3742536, 4009860, 4210353, 4678170, 4811832, 5613804, 6014790, 6237560, 7017255, 8019720, 8420706, 9356340, 11227608, 12029580, 14034510, 16841412, 18712680, 21051765, 24059160, 28069020, 33682824, 42103530, 56138040, 84207060, 168414120.
If you add them up, you will get the total of 641,606,400.