215381376

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 256

約数和(自身を含む): 753984000

約数和(自身を除く): 538602624

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, 63, 64, 72, 84, 87, 96, 108, 112, 116, 126, 128, 144, 168, 174, 189, 192, 203, 216, 224, 232, 252, 261, 288, 307, 336, 348, 378, 384, 406, 432, 448, 464, 504, 522, 576, 609, 614, 672, 696, 756, 783, 812, 864, 896, 921, 928, 1008, 1044, 1152, 1218, 1228, 1344, 1392, 1512, 1566, 1624, 1728, 1827, 1842, 1856, 2016, 2088, 2149, 2436, 2456, 2688, 2763, 2784, 3024, 3132, 3248, 3456, 3654, 3684, 3712, 4032, 4176, 4298, 4872, 4912, 5481, 5526, 5568, 6048, 6264, 6447, 6496, 7308, 7368, 8064, 8289, 8352, 8596, 8903, 9744, 9824, 10962, 11052, 11136, 12096, 12528, 12894, 12992, 14616, 14736, 16578, 16704, 17192, 17806, 19341, 19488, 19648, 21924, 22104, 24192, 25056, 25788, 25984, 26709, 29232, 29472, 33156, 33408, 34384, 35612, 38682, 38976, 39296, 43848, 44208, 50112, 51576, 53418, 58023, 58464, 58944, 62321, 66312, 68768, 71224, 77364, 77952, 80127, 87696, 88416, 100224, 103152, 106836, 116046, 116928, 117888, 124642, 132624, 137536, 142448, 154728, 160254, 175392, 176832, 186963, 206304, 213672, 232092, 233856, 240381, 249284, 265248, 275072, 284896, 309456, 320508, 350784, 353664, 373926, 412608, 427344, 464184, 480762, 498568, 530496, 560889, 569792, 618912, 641016, 701568, 747852, 825216, 854688, 928368, 961524, 997136, 1060992, 1121778, 1139584, 1237824, 1282032, 1495704, 1682667, 1709376, 1856736, 1923048, 1994272, 2243556, 2475648, 2564064, 2991408, 3365334, 3418752, 3713472, 3846096, 3988544, 4487112, 5128128, 5982816, 6730668, 7426944, 7692192, 7977088, 8974224, 10256256, 11965632, 13461336, 15384384, 17948448, 23931264, 26922672, 30768768, 35896896, 53845344, 71793792, 107690688, 215381376]

約数ペア:

[(1, 215381376), (2, 107690688), (3, 71793792), (4, 53845344), (6, 35896896), (7, 30768768), (8, 26922672), (9, 23931264), (12, 17948448), (14, 15384384), (16, 13461336), (18, 11965632), (21, 10256256), (24, 8974224), (27, 7977088), (28, 7692192), (29, 7426944), (32, 6730668), (36, 5982816), (42, 5128128), (48, 4487112), (54, 3988544), (56, 3846096), (58, 3713472), (63, 3418752), (64, 3365334), (72, 2991408), (84, 2564064), (87, 2475648), (96, 2243556), (108, 1994272), (112, 1923048), (116, 1856736), (126, 1709376), (128, 1682667), (144, 1495704), (168, 1282032), (174, 1237824), (189, 1139584), (192, 1121778), (203, 1060992), (216, 997136), (224, 961524), (232, 928368), (252, 854688), (261, 825216), (288, 747852), (307, 701568), (336, 641016), (348, 618912), (378, 569792), (384, 560889), (406, 530496), (432, 498568), (448, 480762), (464, 464184), (504, 427344), (522, 412608), (576, 373926), (609, 353664), (614, 350784), (672, 320508), (696, 309456), (756, 284896), (783, 275072), (812, 265248), (864, 249284), (896, 240381), (921, 233856), (928, 232092), (1008, 213672), (1044, 206304), (1152, 186963), (1218, 176832), (1228, 175392), (1344, 160254), (1392, 154728), (1512, 142448), (1566, 137536), (1624, 132624), (1728, 124642), (1827, 117888), (1842, 116928), (1856, 116046), (2016, 106836), (2088, 103152), (2149, 100224), (2436, 88416), (2456, 87696), (2688, 80127), (2763, 77952), (2784, 77364), (3024, 71224), (3132, 68768), (3248, 66312), (3456, 62321), (3654, 58944), (3684, 58464), (3712, 58023), (4032, 53418), (4176, 51576), (4298, 50112), (4872, 44208), (4912, 43848), (5481, 39296), (5526, 38976), (5568, 38682), (6048, 35612), (6264, 34384), (6447, 33408), (6496, 33156), (7308, 29472), (7368, 29232), (8064, 26709), (8289, 25984), (8352, 25788), (8596, 25056), (8903, 24192), (9744, 22104), (9824, 21924), (10962, 19648), (11052, 19488), (11136, 19341), (12096, 17806), (12528, 17192), (12894, 16704), (12992, 16578), (14616, 14736)]