640566528

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 2123928576

約数和(自身を除く): 1483362048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 43, 48, 51, 56, 64, 68, 84, 86, 96, 102, 112, 119, 128, 129, 136, 163, 168, 172, 192, 204, 224, 238, 256, 258, 272, 301, 326, 336, 344, 357, 384, 408, 448, 476, 489, 516, 544, 602, 652, 672, 688, 714, 731, 768, 816, 896, 903, 952, 978, 1032, 1088, 1141, 1204, 1304, 1344, 1376, 1428, 1462, 1632, 1792, 1806, 1904, 1956, 2064, 2176, 2193, 2282, 2408, 2608, 2688, 2752, 2771, 2856, 2924, 3264, 3423, 3612, 3808, 3912, 4128, 4352, 4386, 4564, 4816, 5117, 5216, 5376, 5504, 5542, 5712, 5848, 6528, 6846, 7009, 7224, 7616, 7824, 8256, 8313, 8772, 9128, 9632, 10234, 10432, 11008, 11084, 11424, 11696, 13056, 13692, 14018, 14448, 15232, 15351, 15648, 16512, 16626, 17544, 18256, 19264, 19397, 20468, 20864, 21027, 22168, 22848, 23392, 27384, 28036, 28896, 30464, 30702, 31296, 33024, 33252, 35088, 36512, 38528, 38794, 40936, 41728, 42054, 44336, 45696, 46784, 49063, 54768, 56072, 57792, 58191, 61404, 62592, 66504, 70176, 73024, 77056, 77588, 81872, 84108, 88672, 91392, 93568, 98126, 109536, 112144, 115584, 116382, 119153, 122808, 125184, 133008, 140352, 146048, 147189, 155176, 163744, 168216, 177344, 187136, 196252, 219072, 224288, 231168, 232764, 238306, 245616, 266016, 280704, 292096, 294378, 310352, 327488, 336432, 354688, 357459, 392504, 438144, 448576, 465528, 476612, 491232, 532032, 561408, 588756, 620704, 654976, 672864, 709376, 714918, 785008, 834071, 876288, 897152, 931056, 953224, 982464, 1064064, 1177512, 1241408, 1309952, 1345728, 1429836, 1570016, 1668142, 1794304, 1862112, 1906448, 1964928, 2128128, 2355024, 2482816, 2502213, 2691456, 2859672, 3140032, 3336284, 3724224, 3812896, 3929856, 4710048, 4965632, 5004426, 5382912, 5719344, 6280064, 6672568, 7448448, 7625792, 9420096, 10008852, 11438688, 12560128, 13345136, 14896896, 15251584, 18840192, 20017704, 22877376, 26690272, 30503168, 37680384, 40035408, 45754752, 53380544, 80070816, 91509504, 106761088, 160141632, 213522176, 320283264, 640566528]

約数ペア:

[(1, 640566528), (2, 320283264), (3, 213522176), (4, 160141632), (6, 106761088), (7, 91509504), (8, 80070816), (12, 53380544), (14, 45754752), (16, 40035408), (17, 37680384), (21, 30503168), (24, 26690272), (28, 22877376), (32, 20017704), (34, 18840192), (42, 15251584), (43, 14896896), (48, 13345136), (51, 12560128), (56, 11438688), (64, 10008852), (68, 9420096), (84, 7625792), (86, 7448448), (96, 6672568), (102, 6280064), (112, 5719344), (119, 5382912), (128, 5004426), (129, 4965632), (136, 4710048), (163, 3929856), (168, 3812896), (172, 3724224), (192, 3336284), (204, 3140032), (224, 2859672), (238, 2691456), (256, 2502213), (258, 2482816), (272, 2355024), (301, 2128128), (326, 1964928), (336, 1906448), (344, 1862112), (357, 1794304), (384, 1668142), (408, 1570016), (448, 1429836), (476, 1345728), (489, 1309952), (516, 1241408), (544, 1177512), (602, 1064064), (652, 982464), (672, 953224), (688, 931056), (714, 897152), (731, 876288), (768, 834071), (816, 785008), (896, 714918), (903, 709376), (952, 672864), (978, 654976), (1032, 620704), (1088, 588756), (1141, 561408), (1204, 532032), (1304, 491232), (1344, 476612), (1376, 465528), (1428, 448576), (1462, 438144), (1632, 392504), (1792, 357459), (1806, 354688), (1904, 336432), (1956, 327488), (2064, 310352), (2176, 294378), (2193, 292096), (2282, 280704), (2408, 266016), (2608, 245616), (2688, 238306), (2752, 232764), (2771, 231168), (2856, 224288), (2924, 219072), (3264, 196252), (3423, 187136), (3612, 177344), (3808, 168216), (3912, 163744), (4128, 155176), (4352, 147189), (4386, 146048), (4564, 140352), (4816, 133008), (5117, 125184), (5216, 122808), (5376, 119153), (5504, 116382), (5542, 115584), (5712, 112144), (5848, 109536), (6528, 98126), (6846, 93568), (7009, 91392), (7224, 88672), (7616, 84108), (7824, 81872), (8256, 77588), (8313, 77056), (8772, 73024), (9128, 70176), (9632, 66504), (10234, 62592), (10432, 61404), (11008, 58191), (11084, 57792), (11424, 56072), (11696, 54768), (13056, 49063), (13692, 46784), (14018, 45696), (14448, 44336), (15232, 42054), (15351, 41728), (15648, 40936), (16512, 38794), (16626, 38528), (17544, 36512), (18256, 35088), (19264, 33252), (19397, 33024), (20468, 31296), (20864, 30702), (21027, 30464), (22168, 28896), (22848, 28036), (23392, 27384)]