The factors of the number 72,117,540 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 71, 76, 81, 90, 95, 99, 108, 110, 114, 132, 135, 142, 162, 165, 171, 180, 190, 198, 209, 213, 220, 228, 243, 270, 284, 285, 297, 324, 330, 342, 355, 380, 396, 405, 418, 426, 486, 495, 513, 540, 570, 594, 627, 639, 660, 684, 710, 781, 810, 836, 852, 855, 891, 972, 990, 1026, 1045, 1065, 1140, 1188, 1215, 1254, 1278, 1349, 1420, 1485, 1539, 1562, 1620, 1710, 1782, 1881, 1917, 1980, 2052, 2090, 2130, 2343, 2430, 2508, 2556, 2565, 2673, 2698, 2970, 3078, 3124, 3135, 3195, 3420, 3564, 3762, 3834, 3905, 4047, 4180, 4260, 4455, 4617, 4686, 4860, 5130, 5346, 5396, 5643, 5751, 5940, 6156, 6270, 6390, 6745, 7029, 7524, 7668, 7695, 7810, 8094, 8910, 9234, 9372, 9405, 9585, 10260, 10692, 11286, 11502, 11715, 12141, 12540, 12780, 13365, 13490, 14058, 14839, 15390, 15620, 16188, 16929, 17253, 17820, 18468, 18810, 19170, 20235, 21087, 22572, 23004, 23085, 23430, 24282, 26730, 26980, 28116, 28215, 28755, 29678, 30780, 33858, 34506, 35145, 36423, 37620, 38340, 40470, 42174, 44517, 46170, 46860, 48564, 50787, 53460, 56430, 57510, 59356, 60705, 63261, 67716, 69012, 70290, 72846, 74195, 80940, 84348, 84645, 86265, 89034, 92340, 101574, 105435, 109269, 112860, 115020, 121410, 126522, 133551, 140580, 145692, 148390, 169290, 172530, 178068, 182115, 189783, 203148, 210870, 218538, 222585, 242820, 253044, 253935, 267102, 296780, 316305, 327807, 338580, 345060, 364230, 379566, 400653, 421740, 437076, 445170, 507870, 534204, 546345, 632610, 655614, 667755, 728460, 759132, 801306, 890340, 948915, 1015740, 1092690, 1201959, 1265220, 1311228, 1335510, 1602612, 1639035, 1897830, 2003265, 2185380, 2403918, 2671020, 3278070, 3605877, 3795660, 4006530, 4807836, 6009795, 6556140, 7211754, 8013060, 12019590, 14423508, 18029385, 24039180, 36058770, 72117540.
If you add them up, you will get the total of 264,176,640.