The factors of the number 1,587,300 are: 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 37, 39, 44, 50, 52, 55, 60, 65, 66, 74, 75, 78, 100, 110, 111, 130, 132, 143, 148, 150, 156, 165, 185, 195, 220, 222, 260, 275, 286, 300, 325, 330, 370, 390, 407, 429, 444, 481, 550, 555, 572, 650, 660, 715, 740, 780, 814, 825, 858, 925, 962, 975, 1100, 1110, 1221, 1300, 1430, 1443, 1628, 1650, 1716, 1850, 1924, 1950, 2035, 2145, 2220, 2405, 2442, 2775, 2860, 2886, 3300, 3575, 3700, 3900, 4070, 4290, 4810, 4884, 5291, 5550, 5772, 6105, 7150, 7215, 8140, 8580, 9620, 10175, 10582, 10725, 11100, 12025, 12210, 14300, 14430, 15873, 20350, 21164, 21450, 24050, 24420, 26455, 28860, 30525, 31746, 36075, 40700, 42900, 48100, 52910, 61050, 63492, 72150, 79365, 105820, 122100, 132275, 144300, 158730, 264550, 317460, 396825, 529100, 793650, 1587300.
If you add them up, you will get the total of 5,541,312.