81493776

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 200

約数和(自身を含む): 290717504

約数和(自身を除く): 209223728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 234, 252, 273, 312, 324, 336, 351, 364, 378, 432, 468, 504, 546, 567, 624, 648, 691, 702, 728, 756, 819, 936, 1008, 1053, 1092, 1134, 1296, 1382, 1404, 1456, 1512, 1638, 1872, 2073, 2106, 2184, 2268, 2457, 2764, 2808, 3024, 3276, 4146, 4212, 4368, 4536, 4837, 4914, 5528, 5616, 6219, 6552, 7371, 8292, 8424, 8983, 9072, 9674, 9828, 11056, 12438, 13104, 14511, 14742, 16584, 16848, 17966, 18657, 19348, 19656, 24876, 26949, 29022, 29484, 33168, 35932, 37314, 38696, 39312, 43533, 49752, 53898, 55971, 58044, 58968, 62881, 71864, 74628, 77392, 80847, 87066, 99504, 107796, 111942, 116088, 117936, 125762, 130599, 143728, 149256, 161694, 174132, 188643, 215592, 223884, 232176, 242541, 251524, 261198, 298512, 323388, 348264, 377286, 391797, 431184, 447768, 485082, 503048, 522396, 565929, 646776, 696528, 727623, 754572, 783594, 895536, 970164, 1006096, 1044792, 1131858, 1293552, 1455246, 1509144, 1567188, 1697787, 1940328, 2089584, 2263716, 2910492, 3018288, 3134376, 3395574, 3880656, 4527432, 5093361, 5820984, 6268752, 6791148, 9054864, 10186722, 11641968, 13582296, 20373444, 27164592, 40746888, 81493776]

約数ペア:

[(1, 81493776), (2, 40746888), (3, 27164592), (4, 20373444), (6, 13582296), (7, 11641968), (8, 10186722), (9, 9054864), (12, 6791148), (13, 6268752), (14, 5820984), (16, 5093361), (18, 4527432), (21, 3880656), (24, 3395574), (26, 3134376), (27, 3018288), (28, 2910492), (36, 2263716), (39, 2089584), (42, 1940328), (48, 1697787), (52, 1567188), (54, 1509144), (56, 1455246), (63, 1293552), (72, 1131858), (78, 1044792), (81, 1006096), (84, 970164), (91, 895536), (104, 783594), (108, 754572), (112, 727623), (117, 696528), (126, 646776), (144, 565929), (156, 522396), (162, 503048), (168, 485082), (182, 447768), (189, 431184), (208, 391797), (216, 377286), (234, 348264), (252, 323388), (273, 298512), (312, 261198), (324, 251524), (336, 242541), (351, 232176), (364, 223884), (378, 215592), (432, 188643), (468, 174132), (504, 161694), (546, 149256), (567, 143728), (624, 130599), (648, 125762), (691, 117936), (702, 116088), (728, 111942), (756, 107796), (819, 99504), (936, 87066), (1008, 80847), (1053, 77392), (1092, 74628), (1134, 71864), (1296, 62881), (1382, 58968), (1404, 58044), (1456, 55971), (1512, 53898), (1638, 49752), (1872, 43533), (2073, 39312), (2106, 38696), (2184, 37314), (2268, 35932), (2457, 33168), (2764, 29484), (2808, 29022), (3024, 26949), (3276, 24876), (4146, 19656), (4212, 19348), (4368, 18657), (4536, 17966), (4837, 16848), (4914, 16584), (5528, 14742), (5616, 14511), (6219, 13104), (6552, 12438), (7371, 11056), (8292, 9828), (8424, 9674), (8983, 9072)]