78087720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 255312000

約数和(自身を除く): 177224280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 435, 456, 551, 570, 580, 696, 760, 870, 1102, 1140, 1160, 1181, 1653, 1740, 2204, 2280, 2362, 2755, 3306, 3480, 3543, 4408, 4724, 5510, 5905, 6612, 7086, 8265, 9448, 11020, 11810, 13224, 14172, 16530, 17715, 22040, 22439, 23620, 28344, 33060, 34249, 35430, 44878, 47240, 66120, 67317, 68498, 70860, 89756, 102747, 112195, 134634, 136996, 141720, 171245, 179512, 205494, 224390, 269268, 273992, 336585, 342490, 410988, 448780, 513735, 538536, 650731, 673170, 684980, 821976, 897560, 1027470, 1301462, 1346340, 1369960, 1952193, 2054940, 2602924, 2692680, 3253655, 3904386, 4109880, 5205848, 6507310, 7808772, 9760965, 13014620, 15617544, 19521930, 26029240, 39043860, 78087720]

約数ペア:

[(1, 78087720), (2, 39043860), (3, 26029240), (4, 19521930), (5, 15617544), (6, 13014620), (8, 9760965), (10, 7808772), (12, 6507310), (15, 5205848), (19, 4109880), (20, 3904386), (24, 3253655), (29, 2692680), (30, 2602924), (38, 2054940), (40, 1952193), (57, 1369960), (58, 1346340), (60, 1301462), (76, 1027470), (87, 897560), (95, 821976), (114, 684980), (116, 673170), (120, 650731), (145, 538536), (152, 513735), (174, 448780), (190, 410988), (228, 342490), (232, 336585), (285, 273992), (290, 269268), (348, 224390), (380, 205494), (435, 179512), (456, 171245), (551, 141720), (570, 136996), (580, 134634), (696, 112195), (760, 102747), (870, 89756), (1102, 70860), (1140, 68498), (1160, 67317), (1181, 66120), (1653, 47240), (1740, 44878), (2204, 35430), (2280, 34249), (2362, 33060), (2755, 28344), (3306, 23620), (3480, 22439), (3543, 22040), (4408, 17715), (4724, 16530), (5510, 14172), (5905, 13224), (6612, 11810), (7086, 11020), (8265, 9448)]