The factors of the number 6,364,440 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 83, 90, 108, 120, 135, 142, 166, 180, 213, 216, 249, 270, 284, 332, 355, 360, 415, 426, 498, 540, 568, 639, 664, 710, 747, 830, 852, 996, 1065, 1080, 1245, 1278, 1420, 1494, 1660, 1704, 1917, 1992, 2130, 2241, 2490, 2556, 2840, 2988, 3195, 3320, 3735, 3834, 4260, 4482, 4980, 5112, 5893, 5976, 6390, 7470, 7668, 8520, 8964, 9585, 9960, 11205, 11786, 12780, 14940, 15336, 17679, 17928, 19170, 22410, 23572, 25560, 29465, 29880, 35358, 38340, 44820, 47144, 53037, 58930, 70716, 76680, 88395, 89640, 106074, 117860, 141432, 159111, 176790, 212148, 235720, 265185, 318222, 353580, 424296, 530370, 636444, 707160, 795555, 1060740, 1272888, 1591110, 2121480, 3182220, 6364440.
If you add them up, you will get the total of 6,364,455. Now subtract 6,364,440 to get 15,408,360