261681408

素因数分解:

$2^8\times 3^3\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 216

約数和(自身を含む): 828310560

約数和(自身を除く): 566629152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 131, 136, 144, 153, 192, 204, 216, 256, 262, 272, 288, 289, 306, 384, 393, 408, 432, 459, 524, 544, 576, 578, 612, 768, 786, 816, 864, 867, 918, 1048, 1088, 1152, 1156, 1179, 1224, 1572, 1632, 1728, 1734, 1836, 2096, 2176, 2227, 2304, 2312, 2358, 2448, 2601, 3144, 3264, 3456, 3468, 3537, 3672, 4192, 4352, 4454, 4624, 4716, 4896, 5202, 6288, 6528, 6681, 6912, 6936, 7074, 7344, 7803, 8384, 8908, 9248, 9432, 9792, 10404, 12576, 13056, 13362, 13872, 14148, 14688, 15606, 16768, 17816, 18496, 18864, 19584, 20043, 20808, 25152, 26724, 27744, 28296, 29376, 31212, 33536, 35632, 36992, 37728, 37859, 39168, 40086, 41616, 50304, 53448, 55488, 56592, 58752, 60129, 62424, 71264, 73984, 75456, 75718, 80172, 83232, 100608, 106896, 110976, 113184, 113577, 117504, 120258, 124848, 142528, 150912, 151436, 160344, 166464, 213792, 221952, 226368, 227154, 240516, 249696, 285056, 301824, 302872, 320688, 332928, 340731, 427584, 452736, 454308, 481032, 499392, 570112, 605744, 641376, 665856, 681462, 855168, 905472, 908616, 962064, 998784, 1022193, 1211488, 1282752, 1362924, 1710336, 1817232, 1924128, 1997568, 2044386, 2422976, 2565504, 2725848, 3634464, 3848256, 4088772, 4845952, 5131008, 5451696, 7268928, 7696512, 8177544, 9691904, 10903392, 14537856, 15393024, 16355088, 21806784, 29075712, 32710176, 43613568, 65420352, 87227136, 130840704, 261681408]

約数ペア:

[(1, 261681408), (2, 130840704), (3, 87227136), (4, 65420352), (6, 43613568), (8, 32710176), (9, 29075712), (12, 21806784), (16, 16355088), (17, 15393024), (18, 14537856), (24, 10903392), (27, 9691904), (32, 8177544), (34, 7696512), (36, 7268928), (48, 5451696), (51, 5131008), (54, 4845952), (64, 4088772), (68, 3848256), (72, 3634464), (96, 2725848), (102, 2565504), (108, 2422976), (128, 2044386), (131, 1997568), (136, 1924128), (144, 1817232), (153, 1710336), (192, 1362924), (204, 1282752), (216, 1211488), (256, 1022193), (262, 998784), (272, 962064), (288, 908616), (289, 905472), (306, 855168), (384, 681462), (393, 665856), (408, 641376), (432, 605744), (459, 570112), (524, 499392), (544, 481032), (576, 454308), (578, 452736), (612, 427584), (768, 340731), (786, 332928), (816, 320688), (864, 302872), (867, 301824), (918, 285056), (1048, 249696), (1088, 240516), (1152, 227154), (1156, 226368), (1179, 221952), (1224, 213792), (1572, 166464), (1632, 160344), (1728, 151436), (1734, 150912), (1836, 142528), (2096, 124848), (2176, 120258), (2227, 117504), (2304, 113577), (2312, 113184), (2358, 110976), (2448, 106896), (2601, 100608), (3144, 83232), (3264, 80172), (3456, 75718), (3468, 75456), (3537, 73984), (3672, 71264), (4192, 62424), (4352, 60129), (4454, 58752), (4624, 56592), (4716, 55488), (4896, 53448), (5202, 50304), (6288, 41616), (6528, 40086), (6681, 39168), (6912, 37859), (6936, 37728), (7074, 36992), (7344, 35632), (7803, 33536), (8384, 31212), (8908, 29376), (9248, 28296), (9432, 27744), (9792, 26724), (10404, 25152), (12576, 20808), (13056, 20043), (13362, 19584), (13872, 18864), (14148, 18496), (14688, 17816), (15606, 16768)]