81709776

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2591}}^1$

素因数の和:2681

約数の個数: 80

約数和(自身を含む): 237841920

約数和(自身を除く): 156132144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 657, 876, 1168, 1314, 1752, 1971, 2591, 2628, 3504, 3942, 5182, 5256, 7773, 7884, 10364, 10512, 15546, 15768, 20728, 23319, 31092, 31536, 41456, 46638, 62184, 69957, 93276, 124368, 139914, 186552, 189143, 279828, 373104, 378286, 559656, 567429, 756572, 1119312, 1134858, 1513144, 1702287, 2269716, 3026288, 3404574, 4539432, 5106861, 6809148, 9078864, 10213722, 13618296, 20427444, 27236592, 40854888, 81709776]

約数ペア:

[(1, 81709776), (2, 40854888), (3, 27236592), (4, 20427444), (6, 13618296), (8, 10213722), (9, 9078864), (12, 6809148), (16, 5106861), (18, 4539432), (24, 3404574), (27, 3026288), (36, 2269716), (48, 1702287), (54, 1513144), (72, 1134858), (73, 1119312), (108, 756572), (144, 567429), (146, 559656), (216, 378286), (219, 373104), (292, 279828), (432, 189143), (438, 186552), (584, 139914), (657, 124368), (876, 93276), (1168, 69957), (1314, 62184), (1752, 46638), (1971, 41456), (2591, 31536), (2628, 31092), (3504, 23319), (3942, 20728), (5182, 15768), (5256, 15546), (7773, 10512), (7884, 10364)]