81563328

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 224

約数和(自身を含む): 299435520

約数和(自身を除く): 217872192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 168, 176, 189, 192, 198, 216, 224, 231, 252, 264, 288, 297, 308, 336, 352, 378, 396, 432, 448, 462, 504, 528, 576, 594, 613, 616, 672, 693, 704, 756, 792, 864, 924, 1008, 1056, 1188, 1226, 1232, 1344, 1386, 1512, 1584, 1728, 1839, 1848, 2016, 2079, 2112, 2376, 2452, 2464, 2772, 3024, 3168, 3678, 3696, 4032, 4158, 4291, 4752, 4904, 4928, 5517, 5544, 6048, 6336, 6743, 7356, 7392, 8316, 8582, 9504, 9808, 11034, 11088, 12096, 12873, 13486, 14712, 14784, 16551, 16632, 17164, 19008, 19616, 20229, 22068, 22176, 25746, 26972, 29424, 33102, 33264, 34328, 38619, 39232, 40458, 44136, 44352, 47201, 51492, 53944, 58848, 60687, 66204, 66528, 68656, 77238, 80916, 88272, 94402, 102984, 107888, 115857, 117696, 121374, 132408, 133056, 137312, 141603, 154476, 161832, 176544, 182061, 188804, 205968, 215776, 231714, 242748, 264816, 274624, 283206, 308952, 323664, 353088, 364122, 377608, 411936, 424809, 431552, 463428, 485496, 529632, 566412, 617904, 647328, 728244, 755216, 823872, 849618, 926856, 970992, 1059264, 1132824, 1235808, 1274427, 1294656, 1456488, 1510432, 1699236, 1853712, 1941984, 2265648, 2471616, 2548854, 2912976, 3020864, 3398472, 3707424, 3883968, 4531296, 5097708, 5825952, 6796944, 7414848, 9062592, 10195416, 11651904, 13593888, 20390832, 27187776, 40781664, 81563328]

約数ペア:

[(1, 81563328), (2, 40781664), (3, 27187776), (4, 20390832), (6, 13593888), (7, 11651904), (8, 10195416), (9, 9062592), (11, 7414848), (12, 6796944), (14, 5825952), (16, 5097708), (18, 4531296), (21, 3883968), (22, 3707424), (24, 3398472), (27, 3020864), (28, 2912976), (32, 2548854), (33, 2471616), (36, 2265648), (42, 1941984), (44, 1853712), (48, 1699236), (54, 1510432), (56, 1456488), (63, 1294656), (64, 1274427), (66, 1235808), (72, 1132824), (77, 1059264), (84, 970992), (88, 926856), (96, 849618), (99, 823872), (108, 755216), (112, 728244), (126, 647328), (132, 617904), (144, 566412), (154, 529632), (168, 485496), (176, 463428), (189, 431552), (192, 424809), (198, 411936), (216, 377608), (224, 364122), (231, 353088), (252, 323664), (264, 308952), (288, 283206), (297, 274624), (308, 264816), (336, 242748), (352, 231714), (378, 215776), (396, 205968), (432, 188804), (448, 182061), (462, 176544), (504, 161832), (528, 154476), (576, 141603), (594, 137312), (613, 133056), (616, 132408), (672, 121374), (693, 117696), (704, 115857), (756, 107888), (792, 102984), (864, 94402), (924, 88272), (1008, 80916), (1056, 77238), (1188, 68656), (1226, 66528), (1232, 66204), (1344, 60687), (1386, 58848), (1512, 53944), (1584, 51492), (1728, 47201), (1839, 44352), (1848, 44136), (2016, 40458), (2079, 39232), (2112, 38619), (2376, 34328), (2452, 33264), (2464, 33102), (2772, 29424), (3024, 26972), (3168, 25746), (3678, 22176), (3696, 22068), (4032, 20229), (4158, 19616), (4291, 19008), (4752, 17164), (4904, 16632), (4928, 16551), (5517, 14784), (5544, 14712), (6048, 13486), (6336, 12873), (6743, 12096), (7356, 11088), (7392, 11034), (8316, 9808), (8582, 9504)]