1721696256

素因数分解:

$2^{16}\times 3^3\times 7^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 272

約数和(自身を含む): 5871980800

約数和(自身を除く): 4150284544

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, 108, 112, 126, 128, 139, 144, 168, 189, 192, 216, 224, 252, 256, 278, 288, 336, 378, 384, 417, 432, 448, 504, 512, 556, 576, 672, 756, 768, 834, 864, 896, 973, 1008, 1024, 1112, 1152, 1251, 1344, 1512, 1536, 1668, 1728, 1792, 1946, 2016, 2048, 2224, 2304, 2502, 2688, 2919, 3024, 3072, 3336, 3456, 3584, 3753, 3892, 4032, 4096, 4448, 4608, 5004, 5376, 5838, 6048, 6144, 6672, 6912, 7168, 7506, 7784, 8064, 8192, 8757, 8896, 9216, 10008, 10752, 11676, 12096, 12288, 13344, 13824, 14336, 15012, 15568, 16128, 16384, 17514, 17792, 18432, 20016, 21504, 23352, 24192, 24576, 26271, 26688, 27648, 28672, 30024, 31136, 32256, 32768, 35028, 35584, 36864, 40032, 43008, 46704, 48384, 49152, 52542, 53376, 55296, 57344, 60048, 62272, 64512, 65536, 70056, 71168, 73728, 80064, 86016, 93408, 96768, 98304, 105084, 106752, 110592, 114688, 120096, 124544, 129024, 140112, 142336, 147456, 160128, 172032, 186816, 193536, 196608, 210168, 213504, 221184, 229376, 240192, 249088, 258048, 280224, 284672, 294912, 320256, 344064, 373632, 387072, 420336, 427008, 442368, 458752, 480384, 498176, 516096, 560448, 569344, 589824, 640512, 688128, 747264, 774144, 840672, 854016, 884736, 960768, 996352, 1032192, 1120896, 1138688, 1281024, 1376256, 1494528, 1548288, 1681344, 1708032, 1769472, 1921536, 1992704, 2064384, 2241792, 2277376, 2562048, 2989056, 3096576, 3362688, 3416064, 3843072, 3985408, 4128768, 4483584, 4554752, 5124096, 5978112, 6193152, 6725376, 6832128, 7686144, 7970816, 8967168, 9109504, 10248192, 11956224, 12386304, 13450752, 13664256, 15372288, 15941632, 17934336, 20496384, 23912448, 26901504, 27328512, 30744576, 31883264, 35868672, 40992768, 47824896, 53803008, 61489152, 63766528, 71737344, 81985536, 95649792, 107606016, 122978304, 143474688, 191299584, 215212032, 245956608, 286949376, 430424064, 573898752, 860848128, 1721696256]

約数ペア:

[(1, 1721696256), (2, 860848128), (3, 573898752), (4, 430424064), (6, 286949376), (7, 245956608), (8, 215212032), (9, 191299584), (12, 143474688), (14, 122978304), (16, 107606016), (18, 95649792), (21, 81985536), (24, 71737344), (27, 63766528), (28, 61489152), (32, 53803008), (36, 47824896), (42, 40992768), (48, 35868672), (54, 31883264), (56, 30744576), (63, 27328512), (64, 26901504), (72, 23912448), (84, 20496384), (96, 17934336), (108, 15941632), (112, 15372288), (126, 13664256), (128, 13450752), (139, 12386304), (144, 11956224), (168, 10248192), (189, 9109504), (192, 8967168), (216, 7970816), (224, 7686144), (252, 6832128), (256, 6725376), (278, 6193152), (288, 5978112), (336, 5124096), (378, 4554752), (384, 4483584), (417, 4128768), (432, 3985408), (448, 3843072), (504, 3416064), (512, 3362688), (556, 3096576), (576, 2989056), (672, 2562048), (756, 2277376), (768, 2241792), (834, 2064384), (864, 1992704), (896, 1921536), (973, 1769472), (1008, 1708032), (1024, 1681344), (1112, 1548288), (1152, 1494528), (1251, 1376256), (1344, 1281024), (1512, 1138688), (1536, 1120896), (1668, 1032192), (1728, 996352), (1792, 960768), (1946, 884736), (2016, 854016), (2048, 840672), (2224, 774144), (2304, 747264), (2502, 688128), (2688, 640512), (2919, 589824), (3024, 569344), (3072, 560448), (3336, 516096), (3456, 498176), (3584, 480384), (3753, 458752), (3892, 442368), (4032, 427008), (4096, 420336), (4448, 387072), (4608, 373632), (5004, 344064), (5376, 320256), (5838, 294912), (6048, 284672), (6144, 280224), (6672, 258048), (6912, 249088), (7168, 240192), (7506, 229376), (7784, 221184), (8064, 213504), (8192, 210168), (8757, 196608), (8896, 193536), (9216, 186816), (10008, 172032), (10752, 160128), (11676, 147456), (12096, 142336), (12288, 140112), (13344, 129024), (13824, 124544), (14336, 120096), (15012, 114688), (15568, 110592), (16128, 106752), (16384, 105084), (17514, 98304), (17792, 96768), (18432, 93408), (20016, 86016), (21504, 80064), (23352, 73728), (24192, 71168), (24576, 70056), (26271, 65536), (26688, 64512), (27648, 62272), (28672, 60048), (30024, 57344), (31136, 55296), (32256, 53376), (32768, 52542), (35028, 49152), (35584, 48384), (36864, 46704), (40032, 43008)]