261442944

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 898905600

約数和(自身を除く): 637462656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 101, 107, 108, 112, 126, 128, 144, 168, 189, 192, 202, 214, 216, 224, 252, 288, 303, 321, 336, 378, 384, 404, 428, 432, 448, 504, 576, 606, 642, 672, 707, 749, 756, 808, 856, 864, 896, 909, 963, 1008, 1152, 1212, 1284, 1344, 1414, 1498, 1512, 1616, 1712, 1728, 1818, 1926, 2016, 2121, 2247, 2424, 2568, 2688, 2727, 2828, 2889, 2996, 3024, 3232, 3424, 3456, 3636, 3852, 4032, 4242, 4494, 4848, 5136, 5454, 5656, 5778, 5992, 6048, 6363, 6464, 6741, 6848, 7272, 7704, 8064, 8484, 8988, 9696, 10272, 10807, 10908, 11312, 11556, 11984, 12096, 12726, 12928, 13482, 13696, 14544, 15408, 16968, 17976, 19089, 19392, 20223, 20544, 21614, 21816, 22624, 23112, 23968, 24192, 25452, 26964, 29088, 30816, 32421, 33936, 35952, 38178, 38784, 40446, 41088, 43228, 43632, 45248, 46224, 47936, 50904, 53928, 58176, 61632, 64842, 67872, 71904, 75649, 76356, 80892, 86456, 87264, 90496, 92448, 95872, 97263, 101808, 107856, 116352, 123264, 129684, 135744, 143808, 151298, 152712, 161784, 172912, 174528, 184896, 194526, 203616, 215712, 226947, 259368, 271488, 287616, 291789, 302596, 305424, 323568, 345824, 349056, 369792, 389052, 407232, 431424, 453894, 518736, 583578, 605192, 610848, 647136, 680841, 691648, 778104, 814464, 862848, 907788, 1037472, 1167156, 1210384, 1221696, 1294272, 1361682, 1383296, 1556208, 1815576, 2042523, 2074944, 2334312, 2420768, 2443392, 2588544, 2723364, 3112416, 3631152, 4085046, 4149888, 4668624, 4841536, 5446728, 6224832, 7262304, 8170092, 9337248, 9683072, 10893456, 12449664, 14524608, 16340184, 18674496, 21786912, 29049216, 32680368, 37348992, 43573824, 65360736, 87147648, 130721472, 261442944]

約数ペア:

[(1, 261442944), (2, 130721472), (3, 87147648), (4, 65360736), (6, 43573824), (7, 37348992), (8, 32680368), (9, 29049216), (12, 21786912), (14, 18674496), (16, 16340184), (18, 14524608), (21, 12449664), (24, 10893456), (27, 9683072), (28, 9337248), (32, 8170092), (36, 7262304), (42, 6224832), (48, 5446728), (54, 4841536), (56, 4668624), (63, 4149888), (64, 4085046), (72, 3631152), (84, 3112416), (96, 2723364), (101, 2588544), (107, 2443392), (108, 2420768), (112, 2334312), (126, 2074944), (128, 2042523), (144, 1815576), (168, 1556208), (189, 1383296), (192, 1361682), (202, 1294272), (214, 1221696), (216, 1210384), (224, 1167156), (252, 1037472), (288, 907788), (303, 862848), (321, 814464), (336, 778104), (378, 691648), (384, 680841), (404, 647136), (428, 610848), (432, 605192), (448, 583578), (504, 518736), (576, 453894), (606, 431424), (642, 407232), (672, 389052), (707, 369792), (749, 349056), (756, 345824), (808, 323568), (856, 305424), (864, 302596), (896, 291789), (909, 287616), (963, 271488), (1008, 259368), (1152, 226947), (1212, 215712), (1284, 203616), (1344, 194526), (1414, 184896), (1498, 174528), (1512, 172912), (1616, 161784), (1712, 152712), (1728, 151298), (1818, 143808), (1926, 135744), (2016, 129684), (2121, 123264), (2247, 116352), (2424, 107856), (2568, 101808), (2688, 97263), (2727, 95872), (2828, 92448), (2889, 90496), (2996, 87264), (3024, 86456), (3232, 80892), (3424, 76356), (3456, 75649), (3636, 71904), (3852, 67872), (4032, 64842), (4242, 61632), (4494, 58176), (4848, 53928), (5136, 50904), (5454, 47936), (5656, 46224), (5778, 45248), (5992, 43632), (6048, 43228), (6363, 41088), (6464, 40446), (6741, 38784), (6848, 38178), (7272, 35952), (7704, 33936), (8064, 32421), (8484, 30816), (8988, 29088), (9696, 26964), (10272, 25452), (10807, 24192), (10908, 23968), (11312, 23112), (11556, 22624), (11984, 21816), (12096, 21614), (12726, 20544), (12928, 20223), (13482, 19392), (13696, 19089), (14544, 17976), (15408, 16968)]