256773888

素因数分解:

$2^8\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 360

約数和(自身を含む): 920045280

約数和(自身を除く): 663271392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 61, 63, 64, 72, 81, 84, 87, 96, 108, 112, 116, 122, 126, 128, 144, 162, 168, 174, 183, 189, 192, 203, 216, 224, 232, 244, 252, 256, 261, 288, 324, 336, 348, 366, 378, 384, 406, 427, 432, 448, 464, 488, 504, 522, 549, 567, 576, 609, 648, 672, 696, 732, 756, 768, 783, 812, 854, 864, 896, 928, 976, 1008, 1044, 1098, 1134, 1152, 1218, 1281, 1296, 1344, 1392, 1464, 1512, 1566, 1624, 1647, 1708, 1728, 1769, 1792, 1827, 1856, 1952, 2016, 2088, 2196, 2268, 2304, 2349, 2436, 2562, 2592, 2688, 2784, 2928, 3024, 3132, 3248, 3294, 3416, 3456, 3538, 3654, 3712, 3843, 3904, 4032, 4176, 4392, 4536, 4698, 4872, 4941, 5124, 5184, 5307, 5376, 5481, 5568, 5856, 6048, 6264, 6496, 6588, 6832, 6912, 7076, 7308, 7424, 7686, 7808, 8064, 8352, 8784, 9072, 9396, 9744, 9882, 10248, 10368, 10614, 10962, 11136, 11529, 11712, 12096, 12383, 12528, 12992, 13176, 13664, 14152, 14616, 15372, 15616, 15921, 16128, 16443, 16704, 17568, 18144, 18792, 19488, 19764, 20496, 20736, 21228, 21924, 22272, 23058, 23424, 24192, 24766, 25056, 25984, 26352, 27328, 28304, 29232, 30744, 31842, 32886, 33408, 34587, 35136, 36288, 37149, 37584, 38976, 39528, 40992, 42456, 43848, 46116, 46848, 47763, 48384, 49532, 50112, 51968, 52704, 54656, 56608, 58464, 61488, 63684, 65772, 66816, 69174, 70272, 72576, 74298, 75168, 77952, 79056, 81984, 84912, 87696, 92232, 95526, 99064, 100224, 105408, 109312, 111447, 113216, 116928, 122976, 127368, 131544, 138348, 140544, 143289, 145152, 148596, 150336, 155904, 158112, 163968, 169824, 175392, 184464, 191052, 198128, 200448, 210816, 222894, 226432, 233856, 245952, 254736, 263088, 276696, 286578, 297192, 300672, 316224, 327936, 334341, 339648, 350784, 368928, 382104, 396256, 421632, 445788, 452864, 467712, 491904, 509472, 526176, 553392, 573156, 594384, 601344, 632448, 668682, 679296, 701568, 737856, 764208, 792512, 891576, 983808, 1003023, 1018944, 1052352, 1106784, 1146312, 1188768, 1264896, 1337364, 1358592, 1403136, 1475712, 1528416, 1585024, 1783152, 2006046, 2037888, 2104704, 2213568, 2292624, 2377536, 2674728, 2951424, 3056832, 3170048, 3566304, 4012092, 4075776, 4209408, 4427136, 4585248, 4755072, 5349456, 6113664, 7132608, 8024184, 8854272, 9170496, 9510144, 10698912, 12227328, 14265216, 16048368, 18340992, 21397824, 28530432, 32096736, 36681984, 42795648, 64193472, 85591296, 128386944, 256773888]

約数ペア:

[(1, 256773888), (2, 128386944), (3, 85591296), (4, 64193472), (6, 42795648), (7, 36681984), (8, 32096736), (9, 28530432), (12, 21397824), (14, 18340992), (16, 16048368), (18, 14265216), (21, 12227328), (24, 10698912), (27, 9510144), (28, 9170496), (29, 8854272), (32, 8024184), (36, 7132608), (42, 6113664), (48, 5349456), (54, 4755072), (56, 4585248), (58, 4427136), (61, 4209408), (63, 4075776), (64, 4012092), (72, 3566304), (81, 3170048), (84, 3056832), (87, 2951424), (96, 2674728), (108, 2377536), (112, 2292624), (116, 2213568), (122, 2104704), (126, 2037888), (128, 2006046), (144, 1783152), (162, 1585024), (168, 1528416), (174, 1475712), (183, 1403136), (189, 1358592), (192, 1337364), (203, 1264896), (216, 1188768), (224, 1146312), (232, 1106784), (244, 1052352), (252, 1018944), (256, 1003023), (261, 983808), (288, 891576), (324, 792512), (336, 764208), (348, 737856), (366, 701568), (378, 679296), (384, 668682), (406, 632448), (427, 601344), (432, 594384), (448, 573156), (464, 553392), (488, 526176), (504, 509472), (522, 491904), (549, 467712), (567, 452864), (576, 445788), (609, 421632), (648, 396256), (672, 382104), (696, 368928), (732, 350784), (756, 339648), (768, 334341), (783, 327936), (812, 316224), (854, 300672), (864, 297192), (896, 286578), (928, 276696), (976, 263088), (1008, 254736), (1044, 245952), (1098, 233856), (1134, 226432), (1152, 222894), (1218, 210816), (1281, 200448), (1296, 198128), (1344, 191052), (1392, 184464), (1464, 175392), (1512, 169824), (1566, 163968), (1624, 158112), (1647, 155904), (1708, 150336), (1728, 148596), (1769, 145152), (1792, 143289), (1827, 140544), (1856, 138348), (1952, 131544), (2016, 127368), (2088, 122976), (2196, 116928), (2268, 113216), (2304, 111447), (2349, 109312), (2436, 105408), (2562, 100224), (2592, 99064), (2688, 95526), (2784, 92232), (2928, 87696), (3024, 84912), (3132, 81984), (3248, 79056), (3294, 77952), (3416, 75168), (3456, 74298), (3538, 72576), (3654, 70272), (3712, 69174), (3843, 66816), (3904, 65772), (4032, 63684), (4176, 61488), (4392, 58464), (4536, 56608), (4698, 54656), (4872, 52704), (4941, 51968), (5124, 50112), (5184, 49532), (5307, 48384), (5376, 47763), (5481, 46848), (5568, 46116), (5856, 43848), (6048, 42456), (6264, 40992), (6496, 39528), (6588, 38976), (6832, 37584), (6912, 37149), (7076, 36288), (7308, 35136), (7424, 34587), (7686, 33408), (7808, 32886), (8064, 31842), (8352, 30744), (8784, 29232), (9072, 28304), (9396, 27328), (9744, 26352), (9882, 25984), (10248, 25056), (10368, 24766), (10614, 24192), (10962, 23424), (11136, 23058), (11529, 22272), (11712, 21924), (12096, 21228), (12383, 20736), (12528, 20496), (12992, 19764), (13176, 19488), (13664, 18792), (14152, 18144), (14616, 17568), (15372, 16704), (15616, 16443), (15921, 16128)]