281389248

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 224

約数和(自身を含む): 969182720

約数和(自身を除く): 687793472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 43, 48, 54, 56, 63, 64, 72, 84, 86, 96, 108, 112, 126, 129, 144, 168, 172, 189, 192, 216, 224, 252, 258, 288, 301, 336, 344, 378, 387, 432, 448, 504, 516, 541, 576, 602, 672, 688, 756, 774, 864, 903, 1008, 1032, 1082, 1161, 1204, 1344, 1376, 1512, 1548, 1623, 1728, 1806, 2016, 2064, 2164, 2322, 2408, 2709, 2752, 3024, 3096, 3246, 3612, 3787, 4032, 4128, 4328, 4644, 4816, 4869, 5418, 6048, 6192, 6492, 7224, 7574, 8127, 8256, 8656, 9288, 9632, 9738, 10836, 11361, 12096, 12384, 12984, 14448, 14607, 15148, 16254, 17312, 18576, 19264, 19476, 21672, 22722, 23263, 24768, 25968, 28896, 29214, 30296, 32508, 34083, 34624, 37152, 38952, 43344, 45444, 46526, 51936, 57792, 58428, 60592, 65016, 68166, 69789, 74304, 77904, 86688, 90888, 93052, 102249, 103872, 116856, 121184, 130032, 136332, 139578, 155808, 162841, 173376, 181776, 186104, 204498, 209367, 233712, 242368, 260064, 272664, 279156, 311616, 325682, 363552, 372208, 408996, 418734, 467424, 488523, 520128, 545328, 558312, 628101, 651364, 727104, 744416, 817992, 837468, 934848, 977046, 1090656, 1116624, 1256202, 1302728, 1465569, 1488832, 1635984, 1674936, 1954092, 2181312, 2233248, 2512404, 2605456, 2931138, 3271968, 3349872, 3908184, 4396707, 4466496, 5024808, 5210912, 5862276, 6543936, 6699744, 7816368, 8793414, 10049616, 10421824, 11724552, 13399488, 15632736, 17586828, 20099232, 23449104, 31265472, 35173656, 40198464, 46898208, 70347312, 93796416, 140694624, 281389248]

約数ペア:

[(1, 281389248), (2, 140694624), (3, 93796416), (4, 70347312), (6, 46898208), (7, 40198464), (8, 35173656), (9, 31265472), (12, 23449104), (14, 20099232), (16, 17586828), (18, 15632736), (21, 13399488), (24, 11724552), (27, 10421824), (28, 10049616), (32, 8793414), (36, 7816368), (42, 6699744), (43, 6543936), (48, 5862276), (54, 5210912), (56, 5024808), (63, 4466496), (64, 4396707), (72, 3908184), (84, 3349872), (86, 3271968), (96, 2931138), (108, 2605456), (112, 2512404), (126, 2233248), (129, 2181312), (144, 1954092), (168, 1674936), (172, 1635984), (189, 1488832), (192, 1465569), (216, 1302728), (224, 1256202), (252, 1116624), (258, 1090656), (288, 977046), (301, 934848), (336, 837468), (344, 817992), (378, 744416), (387, 727104), (432, 651364), (448, 628101), (504, 558312), (516, 545328), (541, 520128), (576, 488523), (602, 467424), (672, 418734), (688, 408996), (756, 372208), (774, 363552), (864, 325682), (903, 311616), (1008, 279156), (1032, 272664), (1082, 260064), (1161, 242368), (1204, 233712), (1344, 209367), (1376, 204498), (1512, 186104), (1548, 181776), (1623, 173376), (1728, 162841), (1806, 155808), (2016, 139578), (2064, 136332), (2164, 130032), (2322, 121184), (2408, 116856), (2709, 103872), (2752, 102249), (3024, 93052), (3096, 90888), (3246, 86688), (3612, 77904), (3787, 74304), (4032, 69789), (4128, 68166), (4328, 65016), (4644, 60592), (4816, 58428), (4869, 57792), (5418, 51936), (6048, 46526), (6192, 45444), (6492, 43344), (7224, 38952), (7574, 37152), (8127, 34624), (8256, 34083), (8656, 32508), (9288, 30296), (9632, 29214), (9738, 28896), (10836, 25968), (11361, 24768), (12096, 23263), (12384, 22722), (12984, 21672), (14448, 19476), (14607, 19264), (15148, 18576), (16254, 17312)]