81315576

素因数分解:

$2^3\times 3^6\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 112

約数和(自身を含む): 232940160

約数和(自身を除く): 151624584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 191, 216, 219, 243, 292, 324, 382, 438, 486, 573, 584, 648, 657, 729, 764, 876, 972, 1146, 1314, 1458, 1528, 1719, 1752, 1944, 1971, 2292, 2628, 2916, 3438, 3942, 4584, 5157, 5256, 5832, 5913, 6876, 7884, 10314, 11826, 13752, 13943, 15471, 15768, 17739, 20628, 23652, 27886, 30942, 35478, 41256, 41829, 46413, 47304, 53217, 55772, 61884, 70956, 83658, 92826, 106434, 111544, 123768, 125487, 139239, 141912, 167316, 185652, 212868, 250974, 278478, 334632, 371304, 376461, 425736, 501948, 556956, 752922, 1003896, 1113912, 1129383, 1505844, 2258766, 3011688, 3388149, 4517532, 6776298, 9035064, 10164447, 13552596, 20328894, 27105192, 40657788, 81315576]

約数ペア:

[(1, 81315576), (2, 40657788), (3, 27105192), (4, 20328894), (6, 13552596), (8, 10164447), (9, 9035064), (12, 6776298), (18, 4517532), (24, 3388149), (27, 3011688), (36, 2258766), (54, 1505844), (72, 1129383), (73, 1113912), (81, 1003896), (108, 752922), (146, 556956), (162, 501948), (191, 425736), (216, 376461), (219, 371304), (243, 334632), (292, 278478), (324, 250974), (382, 212868), (438, 185652), (486, 167316), (573, 141912), (584, 139239), (648, 125487), (657, 123768), (729, 111544), (764, 106434), (876, 92826), (972, 83658), (1146, 70956), (1314, 61884), (1458, 55772), (1528, 53217), (1719, 47304), (1752, 46413), (1944, 41829), (1971, 41256), (2292, 35478), (2628, 30942), (2916, 27886), (3438, 23652), (3942, 20628), (4584, 17739), (5157, 15768), (5256, 15471), (5832, 13943), (5913, 13752), (6876, 11826), (7884, 10314)]