1978770528

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:810

約数の個数: 216

約数和(自身を含む): 6582303000

約数和(自身を除く): 4603532472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 281, 288, 294, 336, 392, 441, 499, 504, 562, 588, 672, 784, 843, 882, 998, 1008, 1124, 1176, 1497, 1568, 1686, 1764, 1967, 1996, 2016, 2248, 2352, 2529, 2994, 3372, 3493, 3528, 3934, 3992, 4491, 4496, 4704, 5058, 5901, 5988, 6744, 6986, 7056, 7868, 7984, 8982, 8992, 10116, 10479, 11802, 11976, 13488, 13769, 13972, 14112, 15736, 15968, 17703, 17964, 20232, 20958, 23604, 23952, 24451, 26976, 27538, 27944, 31437, 31472, 35406, 35928, 40464, 41307, 41916, 47208, 47904, 48902, 55076, 55888, 62874, 62944, 70812, 71856, 73353, 80928, 82614, 83832, 94416, 97804, 110152, 111776, 123921, 125748, 140219, 141624, 143712, 146706, 165228, 167664, 188832, 195608, 220059, 220304, 247842, 251496, 280438, 283248, 293412, 330456, 335328, 391216, 420657, 440118, 440608, 495684, 502992, 560876, 566496, 586824, 660912, 782432, 841314, 880236, 981533, 991368, 1005984, 1121752, 1173648, 1261971, 1321824, 1682628, 1760472, 1963066, 1982736, 2243504, 2347296, 2523942, 2944599, 3365256, 3520944, 3926132, 3965472, 4487008, 5047884, 5889198, 6730512, 6870731, 7041888, 7852264, 8833797, 10095768, 11778396, 13461024, 13741462, 15704528, 17667594, 20191536, 20612193, 23556792, 27482924, 31409056, 35335188, 40383072, 41224386, 47113584, 54965848, 61836579, 70670376, 82448772, 94227168, 109931696, 123673158, 141340752, 164897544, 219863392, 247346316, 282681504, 329795088, 494692632, 659590176, 989385264, 1978770528]

約数ペア:

[(1, 1978770528), (2, 989385264), (3, 659590176), (4, 494692632), (6, 329795088), (7, 282681504), (8, 247346316), (9, 219863392), (12, 164897544), (14, 141340752), (16, 123673158), (18, 109931696), (21, 94227168), (24, 82448772), (28, 70670376), (32, 61836579), (36, 54965848), (42, 47113584), (48, 41224386), (49, 40383072), (56, 35335188), (63, 31409056), (72, 27482924), (84, 23556792), (96, 20612193), (98, 20191536), (112, 17667594), (126, 15704528), (144, 13741462), (147, 13461024), (168, 11778396), (196, 10095768), (224, 8833797), (252, 7852264), (281, 7041888), (288, 6870731), (294, 6730512), (336, 5889198), (392, 5047884), (441, 4487008), (499, 3965472), (504, 3926132), (562, 3520944), (588, 3365256), (672, 2944599), (784, 2523942), (843, 2347296), (882, 2243504), (998, 1982736), (1008, 1963066), (1124, 1760472), (1176, 1682628), (1497, 1321824), (1568, 1261971), (1686, 1173648), (1764, 1121752), (1967, 1005984), (1996, 991368), (2016, 981533), (2248, 880236), (2352, 841314), (2529, 782432), (2994, 660912), (3372, 586824), (3493, 566496), (3528, 560876), (3934, 502992), (3992, 495684), (4491, 440608), (4496, 440118), (4704, 420657), (5058, 391216), (5901, 335328), (5988, 330456), (6744, 293412), (6986, 283248), (7056, 280438), (7868, 251496), (7984, 247842), (8982, 220304), (8992, 220059), (10116, 195608), (10479, 188832), (11802, 167664), (11976, 165228), (13488, 146706), (13769, 143712), (13972, 141624), (14112, 140219), (15736, 125748), (15968, 123921), (17703, 111776), (17964, 110152), (20232, 97804), (20958, 94416), (23604, 83832), (23952, 82614), (24451, 80928), (26976, 73353), (27538, 71856), (27944, 70812), (31437, 62944), (31472, 62874), (35406, 55888), (35928, 55076), (40464, 48902), (41307, 47904), (41916, 47208)]