256905264

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 240

約数和(自身を含む): 854945280

約数和(自身を除く): 598040016

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 71, 77, 84, 88, 89, 112, 121, 132, 142, 154, 168, 176, 178, 213, 231, 242, 264, 267, 284, 308, 336, 356, 363, 426, 462, 484, 497, 528, 534, 568, 616, 623, 712, 726, 781, 847, 852, 924, 968, 979, 994, 1068, 1136, 1232, 1246, 1424, 1452, 1491, 1562, 1694, 1704, 1848, 1869, 1936, 1958, 1988, 2136, 2343, 2492, 2541, 2904, 2937, 2982, 3124, 3388, 3408, 3696, 3738, 3916, 3976, 4272, 4686, 4984, 5082, 5467, 5808, 5874, 5964, 6248, 6319, 6776, 6853, 7476, 7832, 7952, 8591, 9372, 9968, 10164, 10769, 10934, 11748, 11928, 12496, 12638, 13552, 13706, 14952, 15664, 16401, 17182, 18744, 18957, 20328, 20559, 21538, 21868, 23496, 23856, 25276, 25773, 27412, 29904, 32307, 32802, 34364, 37488, 37914, 40656, 41118, 43076, 43736, 44233, 46992, 50552, 51546, 54824, 60137, 64614, 65604, 68728, 69509, 75383, 75828, 82236, 86152, 87472, 88466, 101104, 103092, 109648, 120274, 129228, 131208, 132699, 137456, 139018, 150766, 151656, 164472, 172304, 176932, 180411, 206184, 208527, 226149, 240548, 258456, 262416, 265398, 278036, 301532, 303312, 328944, 353864, 360822, 412368, 417054, 452298, 481096, 486563, 516912, 530796, 556072, 603064, 707728, 721644, 764599, 834108, 904596, 962192, 973126, 1061592, 1112144, 1206128, 1443288, 1459689, 1529198, 1668216, 1809192, 1946252, 2123184, 2293797, 2886576, 2919378, 3058396, 3336432, 3618384, 3892504, 4587594, 5352193, 5838756, 6116792, 7785008, 9175188, 10704386, 11677512, 12233584, 16056579, 18350376, 21408772, 23355024, 32113158, 36700752, 42817544, 64226316, 85635088, 128452632, 256905264]

約数ペア:

[(1, 256905264), (2, 128452632), (3, 85635088), (4, 64226316), (6, 42817544), (7, 36700752), (8, 32113158), (11, 23355024), (12, 21408772), (14, 18350376), (16, 16056579), (21, 12233584), (22, 11677512), (24, 10704386), (28, 9175188), (33, 7785008), (42, 6116792), (44, 5838756), (48, 5352193), (56, 4587594), (66, 3892504), (71, 3618384), (77, 3336432), (84, 3058396), (88, 2919378), (89, 2886576), (112, 2293797), (121, 2123184), (132, 1946252), (142, 1809192), (154, 1668216), (168, 1529198), (176, 1459689), (178, 1443288), (213, 1206128), (231, 1112144), (242, 1061592), (264, 973126), (267, 962192), (284, 904596), (308, 834108), (336, 764599), (356, 721644), (363, 707728), (426, 603064), (462, 556072), (484, 530796), (497, 516912), (528, 486563), (534, 481096), (568, 452298), (616, 417054), (623, 412368), (712, 360822), (726, 353864), (781, 328944), (847, 303312), (852, 301532), (924, 278036), (968, 265398), (979, 262416), (994, 258456), (1068, 240548), (1136, 226149), (1232, 208527), (1246, 206184), (1424, 180411), (1452, 176932), (1491, 172304), (1562, 164472), (1694, 151656), (1704, 150766), (1848, 139018), (1869, 137456), (1936, 132699), (1958, 131208), (1988, 129228), (2136, 120274), (2343, 109648), (2492, 103092), (2541, 101104), (2904, 88466), (2937, 87472), (2982, 86152), (3124, 82236), (3388, 75828), (3408, 75383), (3696, 69509), (3738, 68728), (3916, 65604), (3976, 64614), (4272, 60137), (4686, 54824), (4984, 51546), (5082, 50552), (5467, 46992), (5808, 44233), (5874, 43736), (5964, 43076), (6248, 41118), (6319, 40656), (6776, 37914), (6853, 37488), (7476, 34364), (7832, 32802), (7952, 32307), (8591, 29904), (9372, 27412), (9968, 25773), (10164, 25276), (10769, 23856), (10934, 23496), (11748, 21868), (11928, 21538), (12496, 20559), (12638, 20328), (13552, 18957), (13706, 18744), (14952, 17182), (15664, 16401)]