The factors of the number 725,160,660 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 841, 870, 1015, 1218, 1682, 1740, 2030, 2053, 2436, 2523, 3045, 3364, 4060, 4106, 4205, 5046, 5887, 6090, 6159, 8212, 8410, 10092, 10265, 11774, 12180, 12318, 12615, 14371, 16820, 17661, 20530, 23548, 24636, 25230, 28742, 29435, 30795, 35322, 41060, 43113, 50460, 57484, 58870, 59537, 61590, 70644, 71855, 86226, 88305, 117740, 119074, 123180, 143710, 172452, 176610, 178611, 215565, 238148, 287420, 297685, 353220, 357222, 416759, 431130, 595370, 714444, 833518, 862260, 893055, 1190740, 1250277, 1667036, 1726573, 1786110, 2083795, 2500554, 3453146, 3572220, 4167590, 5001108, 5179719, 6251385, 6906292, 8335180, 8632865, 10359438, 12086011, 12502770, 17265730, 20718876, 24172022, 25005540, 25898595, 34531460, 36258033, 48344044, 51797190, 60430055, 72516066, 103594380, 120860110, 145032132, 181290165, 241720220, 362580330, 725160660.
If you add them up, you will get the total of 2,404,461,696.