The factors of the number 15,420,000 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 257, 300, 375, 400, 480, 500, 514, 600, 625, 750, 771, 800, 1000, 1028, 1200, 1250, 1285, 1500, 1542, 1875, 2000, 2056, 2400, 2500, 2570, 3000, 3084, 3750, 3855, 4000, 4112, 5000, 5140, 6000, 6168, 6425, 7500, 7710, 8224, 10000, 10280, 12000, 12336, 12850, 15000, 15420, 19275, 20000, 20560, 24672, 25700, 30000, 30840, 32125, 38550, 41120, 51400, 60000, 61680, 64250, 77100, 96375, 102800, 123360, 128500, 154200, 160625, 192750, 205600, 257000, 308400, 321250, 385500, 481875, 514000, 616800, 642500, 771000, 963750, 1028000, 1285000, 1542000, 1927500, 2570000, 3084000, 3855000, 5140000, 7710000, 15420000.
If you add them up, you will get the total of 50,777,496.