The factors of the number 735,465,780 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 420, 489, 630, 652, 815, 978, 1141, 1260, 1467, 1630, 1956, 2282, 2445, 2934, 3260, 3423, 3581, 4564, 4890, 5705, 5868, 6846, 7162, 7335, 9780, 10269, 10743, 11410, 13692, 14324, 14670, 17115, 17905, 20538, 21486, 22820, 25067, 29340, 32229, 34230, 35810, 41076, 42972, 50134, 51345, 53715, 64458, 68460, 71620, 75201, 100268, 102690, 107430, 125335, 128916, 150402, 161145, 205380, 214860, 225603, 250670, 300804, 322290, 376005, 451206, 501340, 583703, 644580, 752010, 902412, 1128015, 1167406, 1504020, 1751109, 2256030, 2334812, 2918515, 3502218, 4085921, 4512060, 5253327, 5837030, 7004436, 8171842, 8755545, 10506654, 11674060, 12257763, 16343684, 17511090, 20429605, 21013308, 24515526, 26266635, 35022180, 36773289, 40859210, 49031052, 52533270, 61288815, 73546578, 81718420, 105066540, 122577630, 147093156, 183866445, 245155260, 367732890, 735465780.
If you add them up, you will get the total of 2,565,972,864.