The factors of the number 155,504,340 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 43, 45, 54, 60, 74, 86, 90, 108, 111, 129, 135, 148, 172, 180, 181, 185, 215, 222, 258, 270, 333, 362, 370, 387, 430, 444, 516, 540, 543, 555, 645, 666, 724, 740, 774, 860, 905, 999, 1086, 1110, 1161, 1290, 1332, 1548, 1591, 1629, 1665, 1810, 1935, 1998, 2172, 2220, 2322, 2580, 2715, 3182, 3258, 3330, 3620, 3870, 3996, 4644, 4773, 4887, 4995, 5430, 5805, 6364, 6516, 6660, 6697, 7740, 7783, 7955, 8145, 9546, 9774, 9990, 10860, 11610, 13394, 14319, 15566, 15910, 16290, 19092, 19548, 19980, 20091, 23220, 23349, 23865, 24435, 26788, 28638, 31132, 31820, 32580, 33485, 38915, 40182, 42957, 46698, 47730, 48870, 57276, 60273, 66970, 70047, 71595, 77830, 80364, 85914, 93396, 95460, 97740, 100455, 116745, 120546, 133940, 140094, 143190, 155660, 171828, 180819, 200910, 210141, 214785, 233490, 241092, 280188, 286380, 287971, 301365, 350235, 361638, 401820, 420282, 429570, 466980, 575942, 602730, 700470, 723276, 840564, 859140, 863913, 904095, 1050705, 1151884, 1205460, 1400940, 1439855, 1727826, 1808190, 2101410, 2591739, 2879710, 3455652, 3616380, 4202820, 4319565, 5183478, 5759420, 7775217, 8639130, 10366956, 12958695, 15550434, 17278260, 25917390, 31100868, 38876085, 51834780, 77752170, 155504340.
If you add them up, you will get the total of 511,230,720.