278078184

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 817766400

約数和(自身を除く): 539688216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 109, 124, 127, 162, 186, 216, 218, 248, 254, 279, 324, 327, 372, 381, 436, 508, 558, 648, 654, 744, 762, 837, 872, 981, 1016, 1116, 1143, 1308, 1524, 1674, 1962, 2232, 2286, 2511, 2616, 2943, 3048, 3348, 3379, 3429, 3924, 3937, 4572, 5022, 5886, 6696, 6758, 6858, 7848, 7874, 8829, 9144, 10044, 10137, 10287, 11772, 11811, 13516, 13716, 13843, 15748, 17658, 20088, 20274, 20574, 23544, 23622, 27032, 27432, 27686, 30411, 31496, 35316, 35433, 40548, 41148, 41529, 47244, 55372, 60822, 70632, 70866, 81096, 82296, 83058, 91233, 94488, 106299, 110744, 121644, 124587, 141732, 166116, 182466, 212598, 243288, 249174, 273699, 283464, 318897, 332232, 364932, 373761, 425196, 429133, 498348, 547398, 637794, 729864, 747522, 850392, 858266, 996696, 1094796, 1121283, 1275588, 1287399, 1495044, 1716532, 2189592, 2242566, 2551176, 2574798, 2990088, 3433064, 3862197, 4485132, 5149596, 7724394, 8970264, 10299192, 11586591, 15448788, 23173182, 30897576, 34759773, 46346364, 69519546, 92692728, 139039092, 278078184]

約数ペア:

[(1, 278078184), (2, 139039092), (3, 92692728), (4, 69519546), (6, 46346364), (8, 34759773), (9, 30897576), (12, 23173182), (18, 15448788), (24, 11586591), (27, 10299192), (31, 8970264), (36, 7724394), (54, 5149596), (62, 4485132), (72, 3862197), (81, 3433064), (93, 2990088), (108, 2574798), (109, 2551176), (124, 2242566), (127, 2189592), (162, 1716532), (186, 1495044), (216, 1287399), (218, 1275588), (248, 1121283), (254, 1094796), (279, 996696), (324, 858266), (327, 850392), (372, 747522), (381, 729864), (436, 637794), (508, 547398), (558, 498348), (648, 429133), (654, 425196), (744, 373761), (762, 364932), (837, 332232), (872, 318897), (981, 283464), (1016, 273699), (1116, 249174), (1143, 243288), (1308, 212598), (1524, 182466), (1674, 166116), (1962, 141732), (2232, 124587), (2286, 121644), (2511, 110744), (2616, 106299), (2943, 94488), (3048, 91233), (3348, 83058), (3379, 82296), (3429, 81096), (3924, 70866), (3937, 70632), (4572, 60822), (5022, 55372), (5886, 47244), (6696, 41529), (6758, 41148), (6858, 40548), (7848, 35433), (7874, 35316), (8829, 31496), (9144, 30411), (10044, 27686), (10137, 27432), (10287, 27032), (11772, 23622), (11811, 23544), (13516, 20574), (13716, 20274), (13843, 20088), (15748, 17658)]