261211392

素因数分解:

$2^8\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 432

約数和(自身を含む): 937460160

約数和(自身を除く): 676248768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 19, 24, 26, 27, 32, 34, 36, 38, 39, 48, 51, 52, 54, 57, 64, 68, 72, 76, 78, 81, 96, 102, 104, 108, 114, 117, 128, 136, 144, 152, 153, 156, 162, 171, 192, 204, 208, 216, 221, 228, 234, 243, 247, 256, 272, 288, 304, 306, 312, 323, 324, 342, 351, 384, 408, 416, 432, 442, 456, 459, 468, 486, 494, 513, 544, 576, 608, 612, 624, 646, 648, 663, 684, 702, 741, 768, 816, 832, 864, 884, 912, 918, 936, 969, 972, 988, 1026, 1053, 1088, 1152, 1216, 1224, 1248, 1292, 1296, 1326, 1368, 1377, 1404, 1482, 1539, 1632, 1664, 1728, 1768, 1824, 1836, 1872, 1938, 1944, 1976, 1989, 2052, 2106, 2176, 2223, 2304, 2432, 2448, 2496, 2584, 2592, 2652, 2736, 2754, 2808, 2907, 2964, 3078, 3159, 3264, 3328, 3456, 3536, 3648, 3672, 3744, 3876, 3888, 3952, 3978, 4104, 4131, 4199, 4212, 4352, 4446, 4617, 4864, 4896, 4992, 5168, 5184, 5304, 5472, 5508, 5616, 5814, 5928, 5967, 6156, 6318, 6528, 6669, 6912, 7072, 7296, 7344, 7488, 7752, 7776, 7904, 7956, 8208, 8262, 8398, 8424, 8721, 8892, 9234, 9792, 9984, 10336, 10368, 10608, 10944, 11016, 11232, 11628, 11856, 11934, 12312, 12597, 12636, 13056, 13338, 14144, 14592, 14688, 14976, 15504, 15552, 15808, 15912, 16416, 16524, 16796, 16848, 17442, 17784, 17901, 18468, 19584, 20007, 20672, 20736, 21216, 21888, 22032, 22464, 23256, 23712, 23868, 24624, 25194, 25272, 26163, 26676, 28288, 29376, 29952, 31008, 31104, 31616, 31824, 32832, 33048, 33592, 33696, 34884, 35568, 35802, 36936, 37791, 39168, 40014, 41344, 42432, 43776, 44064, 44928, 46512, 47424, 47736, 49248, 50388, 50544, 52326, 53352, 53703, 56576, 58752, 60021, 62016, 62208, 63232, 63648, 65664, 66096, 67184, 67392, 69768, 71136, 71604, 73872, 75582, 78489, 80028, 82688, 84864, 88128, 89856, 93024, 94848, 95472, 98496, 100776, 101088, 104652, 106704, 107406, 113373, 117504, 120042, 124032, 127296, 131328, 132192, 134368, 134784, 139536, 142272, 143208, 147744, 151164, 156978, 160056, 169728, 176256, 186048, 189696, 190944, 196992, 201552, 202176, 209304, 213408, 214812, 226746, 240084, 248064, 254592, 264384, 268736, 269568, 279072, 284544, 286416, 295488, 302328, 313956, 320112, 340119, 352512, 372096, 381888, 393984, 403104, 404352, 418608, 426816, 429624, 453492, 480168, 509184, 528768, 537472, 558144, 569088, 572832, 590976, 604656, 627912, 640224, 680238, 744192, 763776, 806208, 808704, 837216, 853632, 859248, 906984, 960336, 1020357, 1057536, 1074944, 1116288, 1145664, 1181952, 1209312, 1255824, 1280448, 1360476, 1527552, 1612416, 1674432, 1707264, 1718496, 1813968, 1920672, 2040714, 2232576, 2291328, 2418624, 2511648, 2560896, 2720952, 3224832, 3348864, 3436992, 3627936, 3841344, 4081428, 4582656, 4837248, 5023296, 5121792, 5441904, 6697728, 6873984, 7255872, 7682688, 8162856, 9674496, 10046592, 10883808, 13747968, 14511744, 15365376, 16325712, 20093184, 21767616, 29023488, 32651424, 43535232, 65302848, 87070464, 130605696, 261211392]

約数ペア:

[(1, 261211392), (2, 130605696), (3, 87070464), (4, 65302848), (6, 43535232), (8, 32651424), (9, 29023488), (12, 21767616), (13, 20093184), (16, 16325712), (17, 15365376), (18, 14511744), (19, 13747968), (24, 10883808), (26, 10046592), (27, 9674496), (32, 8162856), (34, 7682688), (36, 7255872), (38, 6873984), (39, 6697728), (48, 5441904), (51, 5121792), (52, 5023296), (54, 4837248), (57, 4582656), (64, 4081428), (68, 3841344), (72, 3627936), (76, 3436992), (78, 3348864), (81, 3224832), (96, 2720952), (102, 2560896), (104, 2511648), (108, 2418624), (114, 2291328), (117, 2232576), (128, 2040714), (136, 1920672), (144, 1813968), (152, 1718496), (153, 1707264), (156, 1674432), (162, 1612416), (171, 1527552), (192, 1360476), (204, 1280448), (208, 1255824), (216, 1209312), (221, 1181952), (228, 1145664), (234, 1116288), (243, 1074944), (247, 1057536), (256, 1020357), (272, 960336), (288, 906984), (304, 859248), (306, 853632), (312, 837216), (323, 808704), (324, 806208), (342, 763776), (351, 744192), (384, 680238), (408, 640224), (416, 627912), (432, 604656), (442, 590976), (456, 572832), (459, 569088), (468, 558144), (486, 537472), (494, 528768), (513, 509184), (544, 480168), (576, 453492), (608, 429624), (612, 426816), (624, 418608), (646, 404352), (648, 403104), (663, 393984), (684, 381888), (702, 372096), (741, 352512), (768, 340119), (816, 320112), (832, 313956), (864, 302328), (884, 295488), (912, 286416), (918, 284544), (936, 279072), (969, 269568), (972, 268736), (988, 264384), (1026, 254592), (1053, 248064), (1088, 240084), (1152, 226746), (1216, 214812), (1224, 213408), (1248, 209304), (1292, 202176), (1296, 201552), (1326, 196992), (1368, 190944), (1377, 189696), (1404, 186048), (1482, 176256), (1539, 169728), (1632, 160056), (1664, 156978), (1728, 151164), (1768, 147744), (1824, 143208), (1836, 142272), (1872, 139536), (1938, 134784), (1944, 134368), (1976, 132192), (1989, 131328), (2052, 127296), (2106, 124032), (2176, 120042), (2223, 117504), (2304, 113373), (2432, 107406), (2448, 106704), (2496, 104652), (2584, 101088), (2592, 100776), (2652, 98496), (2736, 95472), (2754, 94848), (2808, 93024), (2907, 89856), (2964, 88128), (3078, 84864), (3159, 82688), (3264, 80028), (3328, 78489), (3456, 75582), (3536, 73872), (3648, 71604), (3672, 71136), (3744, 69768), (3876, 67392), (3888, 67184), (3952, 66096), (3978, 65664), (4104, 63648), (4131, 63232), (4199, 62208), (4212, 62016), (4352, 60021), (4446, 58752), (4617, 56576), (4864, 53703), (4896, 53352), (4992, 52326), (5168, 50544), (5184, 50388), (5304, 49248), (5472, 47736), (5508, 47424), (5616, 46512), (5814, 44928), (5928, 44064), (5967, 43776), (6156, 42432), (6318, 41344), (6528, 40014), (6669, 39168), (6912, 37791), (7072, 36936), (7296, 35802), (7344, 35568), (7488, 34884), (7752, 33696), (7776, 33592), (7904, 33048), (7956, 32832), (8208, 31824), (8262, 31616), (8398, 31104), (8424, 31008), (8721, 29952), (8892, 29376), (9234, 28288), (9792, 26676), (9984, 26163), (10336, 25272), (10368, 25194), (10608, 24624), (10944, 23868), (11016, 23712), (11232, 23256), (11628, 22464), (11856, 22032), (11934, 21888), (12312, 21216), (12597, 20736), (12636, 20672), (13056, 20007), (13338, 19584), (14144, 18468), (14592, 17901), (14688, 17784), (14976, 17442), (15504, 16848), (15552, 16796), (15808, 16524), (15912, 16416)]