256542048

素因数分解:

$2^5\times 3^2\times 7^5\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 216

約数和(自身を含む): 867183408

約数和(自身を除く): 610641360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 53, 56, 63, 72, 84, 96, 98, 106, 112, 126, 144, 147, 159, 168, 196, 212, 224, 252, 288, 294, 318, 336, 343, 371, 392, 424, 441, 477, 504, 588, 636, 672, 686, 742, 784, 848, 882, 954, 1008, 1029, 1113, 1176, 1272, 1372, 1484, 1568, 1696, 1764, 1908, 2016, 2058, 2226, 2352, 2401, 2544, 2597, 2744, 2968, 3087, 3339, 3528, 3816, 4116, 4452, 4704, 4802, 5088, 5194, 5488, 5936, 6174, 6678, 7056, 7203, 7632, 7791, 8232, 8904, 9604, 10388, 10976, 11872, 12348, 13356, 14112, 14406, 15264, 15582, 16464, 16807, 17808, 18179, 19208, 20776, 21609, 23373, 24696, 26712, 28812, 31164, 32928, 33614, 35616, 36358, 38416, 41552, 43218, 46746, 49392, 50421, 53424, 54537, 57624, 62328, 67228, 72716, 76832, 83104, 86436, 93492, 98784, 100842, 106848, 109074, 115248, 124656, 127253, 134456, 145432, 151263, 163611, 172872, 186984, 201684, 218148, 230496, 249312, 254506, 268912, 290864, 302526, 327222, 345744, 373968, 381759, 403368, 436296, 509012, 537824, 581728, 605052, 654444, 691488, 747936, 763518, 806736, 872592, 890771, 1018024, 1145277, 1210104, 1308888, 1527036, 1613472, 1745184, 1781542, 2036048, 2290554, 2420208, 2617776, 2672313, 3054072, 3563084, 4072096, 4581108, 4840416, 5235552, 5344626, 6108144, 7126168, 8016939, 9162216, 10689252, 12216288, 14252336, 16033878, 18324432, 21378504, 28504672, 32067756, 36648864, 42757008, 64135512, 85514016, 128271024, 256542048]

約数ペア:

[(1, 256542048), (2, 128271024), (3, 85514016), (4, 64135512), (6, 42757008), (7, 36648864), (8, 32067756), (9, 28504672), (12, 21378504), (14, 18324432), (16, 16033878), (18, 14252336), (21, 12216288), (24, 10689252), (28, 9162216), (32, 8016939), (36, 7126168), (42, 6108144), (48, 5344626), (49, 5235552), (53, 4840416), (56, 4581108), (63, 4072096), (72, 3563084), (84, 3054072), (96, 2672313), (98, 2617776), (106, 2420208), (112, 2290554), (126, 2036048), (144, 1781542), (147, 1745184), (159, 1613472), (168, 1527036), (196, 1308888), (212, 1210104), (224, 1145277), (252, 1018024), (288, 890771), (294, 872592), (318, 806736), (336, 763518), (343, 747936), (371, 691488), (392, 654444), (424, 605052), (441, 581728), (477, 537824), (504, 509012), (588, 436296), (636, 403368), (672, 381759), (686, 373968), (742, 345744), (784, 327222), (848, 302526), (882, 290864), (954, 268912), (1008, 254506), (1029, 249312), (1113, 230496), (1176, 218148), (1272, 201684), (1372, 186984), (1484, 172872), (1568, 163611), (1696, 151263), (1764, 145432), (1908, 134456), (2016, 127253), (2058, 124656), (2226, 115248), (2352, 109074), (2401, 106848), (2544, 100842), (2597, 98784), (2744, 93492), (2968, 86436), (3087, 83104), (3339, 76832), (3528, 72716), (3816, 67228), (4116, 62328), (4452, 57624), (4704, 54537), (4802, 53424), (5088, 50421), (5194, 49392), (5488, 46746), (5936, 43218), (6174, 41552), (6678, 38416), (7056, 36358), (7203, 35616), (7632, 33614), (7791, 32928), (8232, 31164), (8904, 28812), (9604, 26712), (10388, 24696), (10976, 23373), (11872, 21609), (12348, 20776), (13356, 19208), (14112, 18179), (14406, 17808), (15264, 16807), (15582, 16464)]