637676928

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:686

約数の個数: 256

約数和(自身を含む): 2204505600

約数和(自身を除く): 1566828672

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, 128, 129, 144, 168, 172, 189, 192, 216, 224, 252, 258, 288, 301, 336, 344, 378, 384, 387, 432, 448, 504, 516, 576, 602, 613, 672, 688, 756, 774, 864, 896, 903, 1008, 1032, 1152, 1161, 1204, 1226, 1344, 1376, 1512, 1548, 1728, 1806, 1839, 2016, 2064, 2322, 2408, 2452, 2688, 2709, 2752, 3024, 3096, 3456, 3612, 3678, 4032, 4128, 4291, 4644, 4816, 4904, 5418, 5504, 5517, 6048, 6192, 7224, 7356, 8064, 8127, 8256, 8582, 9288, 9632, 9808, 10836, 11034, 12096, 12384, 12873, 14448, 14712, 16254, 16512, 16551, 17164, 18576, 19264, 19616, 21672, 22068, 24192, 24768, 25746, 26359, 28896, 29424, 32508, 33102, 34328, 37152, 38528, 38619, 39232, 43344, 44136, 49536, 51492, 52718, 57792, 58848, 65016, 66204, 68656, 74304, 77238, 78464, 79077, 86688, 88272, 102984, 105436, 115584, 115857, 117696, 130032, 132408, 137312, 148608, 154476, 158154, 173376, 176544, 184513, 205968, 210872, 231714, 235392, 237231, 260064, 264816, 274624, 308952, 316308, 346752, 353088, 369026, 411936, 421744, 463428, 474462, 520128, 529632, 549248, 553539, 617904, 632616, 706176, 711693, 738052, 823872, 843488, 926856, 948924, 1040256, 1059264, 1107078, 1235808, 1265232, 1423386, 1476104, 1647744, 1660617, 1686976, 1853712, 1897848, 2118528, 2214156, 2471616, 2530464, 2846772, 2952208, 3321234, 3373952, 3707424, 3795696, 4428312, 4943232, 4981851, 5060928, 5693544, 5904416, 6642468, 7414848, 7591392, 8856624, 9963702, 10121856, 11387088, 11808832, 13284936, 14829696, 15182784, 17713248, 19927404, 22774176, 23617664, 26569872, 30365568, 35426496, 39854808, 45548352, 53139744, 70852992, 79709616, 91096704, 106279488, 159419232, 212558976, 318838464, 637676928]

約数ペア:

[(1, 637676928), (2, 318838464), (3, 212558976), (4, 159419232), (6, 106279488), (7, 91096704), (8, 79709616), (9, 70852992), (12, 53139744), (14, 45548352), (16, 39854808), (18, 35426496), (21, 30365568), (24, 26569872), (27, 23617664), (28, 22774176), (32, 19927404), (36, 17713248), (42, 15182784), (43, 14829696), (48, 13284936), (54, 11808832), (56, 11387088), (63, 10121856), (64, 9963702), (72, 8856624), (84, 7591392), (86, 7414848), (96, 6642468), (108, 5904416), (112, 5693544), (126, 5060928), (128, 4981851), (129, 4943232), (144, 4428312), (168, 3795696), (172, 3707424), (189, 3373952), (192, 3321234), (216, 2952208), (224, 2846772), (252, 2530464), (258, 2471616), (288, 2214156), (301, 2118528), (336, 1897848), (344, 1853712), (378, 1686976), (384, 1660617), (387, 1647744), (432, 1476104), (448, 1423386), (504, 1265232), (516, 1235808), (576, 1107078), (602, 1059264), (613, 1040256), (672, 948924), (688, 926856), (756, 843488), (774, 823872), (864, 738052), (896, 711693), (903, 706176), (1008, 632616), (1032, 617904), (1152, 553539), (1161, 549248), (1204, 529632), (1226, 520128), (1344, 474462), (1376, 463428), (1512, 421744), (1548, 411936), (1728, 369026), (1806, 353088), (1839, 346752), (2016, 316308), (2064, 308952), (2322, 274624), (2408, 264816), (2452, 260064), (2688, 237231), (2709, 235392), (2752, 231714), (3024, 210872), (3096, 205968), (3456, 184513), (3612, 176544), (3678, 173376), (4032, 158154), (4128, 154476), (4291, 148608), (4644, 137312), (4816, 132408), (4904, 130032), (5418, 117696), (5504, 115857), (5517, 115584), (6048, 105436), (6192, 102984), (7224, 88272), (7356, 86688), (8064, 79077), (8127, 78464), (8256, 77238), (8582, 74304), (9288, 68656), (9632, 66204), (9808, 65016), (10836, 58848), (11034, 57792), (12096, 52718), (12384, 51492), (12873, 49536), (14448, 44136), (14712, 43344), (16254, 39232), (16512, 38619), (16551, 38528), (17164, 37152), (18576, 34328), (19264, 33102), (19616, 32508), (21672, 29424), (22068, 28896), (24192, 26359), (24768, 25746)]