640649088

素因数分解:

$2^7\times 3^5\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 192

約数和(自身を含む): 1960358400

約数和(自身を除く): 1319709312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 81, 86, 96, 108, 128, 129, 144, 162, 172, 192, 216, 243, 258, 288, 324, 344, 384, 387, 432, 479, 486, 516, 576, 648, 688, 774, 864, 958, 972, 1032, 1152, 1161, 1296, 1376, 1437, 1548, 1728, 1916, 1944, 2064, 2322, 2592, 2752, 2874, 3096, 3456, 3483, 3832, 3888, 4128, 4311, 4644, 5184, 5504, 5748, 6192, 6966, 7664, 7776, 8256, 8622, 9288, 10368, 10449, 11496, 12384, 12933, 13932, 15328, 15552, 16512, 17244, 18576, 20597, 20898, 22992, 24768, 25866, 27864, 30656, 31104, 34488, 37152, 38799, 41194, 41796, 45984, 49536, 51732, 55728, 61312, 61791, 68976, 74304, 77598, 82388, 83592, 91968, 103464, 111456, 116397, 123582, 137952, 148608, 155196, 164776, 167184, 183936, 185373, 206928, 222912, 232794, 247164, 275904, 310392, 329552, 334368, 370746, 413856, 445824, 465588, 494328, 551808, 556119, 620784, 659104, 668736, 741492, 827712, 931176, 988656, 1112238, 1241568, 1318208, 1337472, 1482984, 1655424, 1668357, 1862352, 1977312, 2224476, 2483136, 2636416, 2965968, 3336714, 3724704, 3954624, 4448952, 4966272, 5005071, 5931936, 6673428, 7449408, 7909248, 8897904, 10010142, 11863872, 13346856, 14898816, 17795808, 20020284, 23727744, 26693712, 35591616, 40040568, 53387424, 71183232, 80081136, 106774848, 160162272, 213549696, 320324544, 640649088]

約数ペア:

[(1, 640649088), (2, 320324544), (3, 213549696), (4, 160162272), (6, 106774848), (8, 80081136), (9, 71183232), (12, 53387424), (16, 40040568), (18, 35591616), (24, 26693712), (27, 23727744), (32, 20020284), (36, 17795808), (43, 14898816), (48, 13346856), (54, 11863872), (64, 10010142), (72, 8897904), (81, 7909248), (86, 7449408), (96, 6673428), (108, 5931936), (128, 5005071), (129, 4966272), (144, 4448952), (162, 3954624), (172, 3724704), (192, 3336714), (216, 2965968), (243, 2636416), (258, 2483136), (288, 2224476), (324, 1977312), (344, 1862352), (384, 1668357), (387, 1655424), (432, 1482984), (479, 1337472), (486, 1318208), (516, 1241568), (576, 1112238), (648, 988656), (688, 931176), (774, 827712), (864, 741492), (958, 668736), (972, 659104), (1032, 620784), (1152, 556119), (1161, 551808), (1296, 494328), (1376, 465588), (1437, 445824), (1548, 413856), (1728, 370746), (1916, 334368), (1944, 329552), (2064, 310392), (2322, 275904), (2592, 247164), (2752, 232794), (2874, 222912), (3096, 206928), (3456, 185373), (3483, 183936), (3832, 167184), (3888, 164776), (4128, 155196), (4311, 148608), (4644, 137952), (5184, 123582), (5504, 116397), (5748, 111456), (6192, 103464), (6966, 91968), (7664, 83592), (7776, 82388), (8256, 77598), (8622, 74304), (9288, 68976), (10368, 61791), (10449, 61312), (11496, 55728), (12384, 51732), (12933, 49536), (13932, 45984), (15328, 41796), (15552, 41194), (16512, 38799), (17244, 37152), (18576, 34488), (20597, 31104), (20898, 30656), (22992, 27864), (24768, 25866)]