261464544

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 872756640

約数和(自身を除く): 611292096

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 41, 44, 48, 54, 61, 66, 72, 82, 88, 96, 99, 108, 121, 122, 123, 132, 144, 164, 176, 183, 198, 216, 242, 244, 246, 264, 288, 297, 328, 352, 363, 366, 369, 396, 432, 451, 484, 488, 492, 528, 549, 594, 656, 671, 726, 732, 738, 792, 864, 902, 968, 976, 984, 1056, 1089, 1098, 1107, 1188, 1312, 1342, 1353, 1452, 1464, 1476, 1584, 1647, 1804, 1936, 1952, 1968, 2013, 2178, 2196, 2214, 2376, 2501, 2684, 2706, 2904, 2928, 2952, 3168, 3267, 3294, 3608, 3872, 3936, 4026, 4059, 4356, 4392, 4428, 4752, 4961, 5002, 5368, 5412, 5808, 5856, 5904, 6039, 6534, 6588, 7216, 7381, 7503, 8052, 8118, 8712, 8784, 8856, 9504, 9922, 10004, 10736, 10824, 11616, 11808, 12078, 12177, 13068, 13176, 14432, 14762, 14883, 15006, 16104, 16236, 17424, 17568, 17712, 18117, 19844, 20008, 21472, 21648, 22143, 22509, 24156, 24354, 26136, 26352, 27511, 29524, 29766, 30012, 32208, 32472, 34848, 35424, 36234, 39688, 40016, 43296, 44286, 44649, 45018, 48312, 48708, 52272, 52704, 55022, 59048, 59532, 60024, 64416, 64944, 66429, 67527, 72468, 79376, 80032, 82533, 88572, 89298, 90036, 96624, 97416, 104544, 110044, 118096, 119064, 120048, 129888, 132858, 133947, 135054, 144936, 158752, 165066, 177144, 178596, 180072, 193248, 194832, 199287, 220088, 236192, 238128, 240096, 247599, 265716, 267894, 270108, 289872, 302621, 330132, 354288, 357192, 360144, 389664, 398574, 440176, 476256, 495198, 531432, 535788, 540216, 579744, 605242, 660264, 708576, 714384, 720288, 742797, 797148, 880352, 907863, 990396, 1062864, 1071576, 1080432, 1210484, 1320528, 1428768, 1485594, 1594296, 1815726, 1980792, 2125728, 2143152, 2160864, 2420968, 2641056, 2723589, 2971188, 3188592, 3631452, 3961584, 4286304, 4841936, 5447178, 5942376, 6377184, 7262904, 7923168, 8170767, 9683872, 10894356, 11884752, 14525808, 16341534, 21788712, 23769504, 29051616, 32683068, 43577424, 65366136, 87154848, 130732272, 261464544]

約数ペア:

[(1, 261464544), (2, 130732272), (3, 87154848), (4, 65366136), (6, 43577424), (8, 32683068), (9, 29051616), (11, 23769504), (12, 21788712), (16, 16341534), (18, 14525808), (22, 11884752), (24, 10894356), (27, 9683872), (32, 8170767), (33, 7923168), (36, 7262904), (41, 6377184), (44, 5942376), (48, 5447178), (54, 4841936), (61, 4286304), (66, 3961584), (72, 3631452), (82, 3188592), (88, 2971188), (96, 2723589), (99, 2641056), (108, 2420968), (121, 2160864), (122, 2143152), (123, 2125728), (132, 1980792), (144, 1815726), (164, 1594296), (176, 1485594), (183, 1428768), (198, 1320528), (216, 1210484), (242, 1080432), (244, 1071576), (246, 1062864), (264, 990396), (288, 907863), (297, 880352), (328, 797148), (352, 742797), (363, 720288), (366, 714384), (369, 708576), (396, 660264), (432, 605242), (451, 579744), (484, 540216), (488, 535788), (492, 531432), (528, 495198), (549, 476256), (594, 440176), (656, 398574), (671, 389664), (726, 360144), (732, 357192), (738, 354288), (792, 330132), (864, 302621), (902, 289872), (968, 270108), (976, 267894), (984, 265716), (1056, 247599), (1089, 240096), (1098, 238128), (1107, 236192), (1188, 220088), (1312, 199287), (1342, 194832), (1353, 193248), (1452, 180072), (1464, 178596), (1476, 177144), (1584, 165066), (1647, 158752), (1804, 144936), (1936, 135054), (1952, 133947), (1968, 132858), (2013, 129888), (2178, 120048), (2196, 119064), (2214, 118096), (2376, 110044), (2501, 104544), (2684, 97416), (2706, 96624), (2904, 90036), (2928, 89298), (2952, 88572), (3168, 82533), (3267, 80032), (3294, 79376), (3608, 72468), (3872, 67527), (3936, 66429), (4026, 64944), (4059, 64416), (4356, 60024), (4392, 59532), (4428, 59048), (4752, 55022), (4961, 52704), (5002, 52272), (5368, 48708), (5412, 48312), (5808, 45018), (5856, 44649), (5904, 44286), (6039, 43296), (6534, 40016), (6588, 39688), (7216, 36234), (7381, 35424), (7503, 34848), (8052, 32472), (8118, 32208), (8712, 30012), (8784, 29766), (8856, 29524), (9504, 27511), (9922, 26352), (10004, 26136), (10736, 24354), (10824, 24156), (11616, 22509), (11808, 22143), (12078, 21648), (12177, 21472), (13068, 20008), (13176, 19844), (14432, 18117), (14762, 17712), (14883, 17568), (15006, 17424), (16104, 16236)]