261465408

素因数分解:

$2^6\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1682

約数の個数: 140

約数和(自身を含む): 800559232

約数和(自身を除く): 539093824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1296, 1488, 1627, 1674, 1728, 1984, 2232, 2511, 2592, 2976, 3254, 3348, 4464, 4881, 5022, 5184, 5952, 6508, 6696, 8928, 9762, 10044, 13016, 13392, 14643, 17856, 19524, 20088, 26032, 26784, 29286, 39048, 40176, 43929, 50437, 52064, 53568, 58572, 78096, 80352, 87858, 100874, 104128, 117144, 131787, 151311, 156192, 160704, 175716, 201748, 234288, 263574, 302622, 312384, 351432, 403496, 453933, 468576, 527148, 605244, 702864, 806992, 907866, 937152, 1054296, 1210488, 1361799, 1405728, 1613984, 1815732, 2108592, 2420976, 2723598, 2811456, 3227968, 3631464, 4085397, 4217184, 4841952, 5447196, 7262928, 8170794, 8434368, 9683904, 10894392, 14525856, 16341588, 21788784, 29051712, 32683176, 43577568, 65366352, 87155136, 130732704, 261465408]

約数ペア:

[(1, 261465408), (2, 130732704), (3, 87155136), (4, 65366352), (6, 43577568), (8, 32683176), (9, 29051712), (12, 21788784), (16, 16341588), (18, 14525856), (24, 10894392), (27, 9683904), (31, 8434368), (32, 8170794), (36, 7262928), (48, 5447196), (54, 4841952), (62, 4217184), (64, 4085397), (72, 3631464), (81, 3227968), (93, 2811456), (96, 2723598), (108, 2420976), (124, 2108592), (144, 1815732), (162, 1613984), (186, 1405728), (192, 1361799), (216, 1210488), (248, 1054296), (279, 937152), (288, 907866), (324, 806992), (372, 702864), (432, 605244), (496, 527148), (558, 468576), (576, 453933), (648, 403496), (744, 351432), (837, 312384), (864, 302622), (992, 263574), (1116, 234288), (1296, 201748), (1488, 175716), (1627, 160704), (1674, 156192), (1728, 151311), (1984, 131787), (2232, 117144), (2511, 104128), (2592, 100874), (2976, 87858), (3254, 80352), (3348, 78096), (4464, 58572), (4881, 53568), (5022, 52064), (5184, 50437), (5952, 43929), (6508, 40176), (6696, 39048), (8928, 29286), (9762, 26784), (10044, 26032), (13016, 20088), (13392, 19524), (14643, 17856)]