261251136

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4929

約数の個数: 112

約数和(自身を含む): 792967680

約数和(自身を除く): 531716544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 372, 432, 496, 558, 576, 744, 837, 864, 992, 1116, 1488, 1674, 1728, 1984, 2232, 2976, 3348, 4464, 4877, 5952, 6696, 8928, 9754, 13392, 14631, 17856, 19508, 26784, 29262, 39016, 43893, 53568, 58524, 78032, 87786, 117048, 131679, 151187, 156064, 175572, 234096, 263358, 302374, 312128, 351144, 453561, 468192, 526716, 604748, 702288, 907122, 936384, 1053432, 1209496, 1360683, 1404576, 1814244, 2106864, 2418992, 2721366, 2809152, 3628488, 4082049, 4213728, 4837984, 5442732, 7256976, 8164098, 8427456, 9675968, 10885464, 14513952, 16328196, 21770928, 29027904, 32656392, 43541856, 65312784, 87083712, 130625568, 261251136]

約数ペア:

[(1, 261251136), (2, 130625568), (3, 87083712), (4, 65312784), (6, 43541856), (8, 32656392), (9, 29027904), (12, 21770928), (16, 16328196), (18, 14513952), (24, 10885464), (27, 9675968), (31, 8427456), (32, 8164098), (36, 7256976), (48, 5442732), (54, 4837984), (62, 4213728), (64, 4082049), (72, 3628488), (93, 2809152), (96, 2721366), (108, 2418992), (124, 2106864), (144, 1814244), (186, 1404576), (192, 1360683), (216, 1209496), (248, 1053432), (279, 936384), (288, 907122), (372, 702288), (432, 604748), (496, 526716), (558, 468192), (576, 453561), (744, 351144), (837, 312128), (864, 302374), (992, 263358), (1116, 234096), (1488, 175572), (1674, 156064), (1728, 151187), (1984, 131679), (2232, 117048), (2976, 87786), (3348, 78032), (4464, 58524), (4877, 53568), (5952, 43893), (6696, 39016), (8928, 29262), (9754, 26784), (13392, 19508), (14631, 17856)]