The factors of the number 73,008,640 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 79, 80, 95, 128, 152, 158, 160, 190, 256, 304, 316, 320, 361, 380, 395, 512, 608, 632, 640, 722, 760, 790, 1216, 1264, 1280, 1444, 1501, 1520, 1580, 1805, 2432, 2528, 2560, 2888, 3002, 3040, 3160, 3610, 4864, 5056, 5776, 6004, 6080, 6320, 7220, 7505, 9728, 10112, 11552, 12008, 12160, 12640, 14440, 15010, 20224, 23104, 24016, 24320, 25280, 28519, 28880, 30020, 40448, 46208, 48032, 48640, 50560, 57038, 57760, 60040, 92416, 96064, 101120, 114076, 115520, 120080, 142595, 184832, 192128, 202240, 228152, 231040, 240160, 285190, 384256, 456304, 462080, 480320, 570380, 768512, 912608, 924160, 960640, 1140760, 1825216, 1921280, 2281520, 3650432, 3842560, 4563040, 7300864, 9126080, 14601728, 18252160, 36504320, 73008640.
If you add them up, you will get the total of 187,086,240.