81299520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28229}}^1$

素因数の和:28252

約数の個数: 84

約数和(自身を含む): 279646380

約数和(自身を除く): 198346860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28229, 56458, 84687, 112916, 141145, 169374, 225832, 254061, 282290, 338748, 423435, 451664, 508122, 564580, 677496, 846870, 903328, 1016244, 1129160, 1270305, 1354992, 1693740, 1806656, 2032488, 2258320, 2540610, 2709984, 3387480, 4064976, 4516640, 5081220, 5419968, 6774960, 8129952, 9033280, 10162440, 13549920, 16259904, 20324880, 27099840, 40649760, 81299520]

約数ペア:

[(1, 81299520), (2, 40649760), (3, 27099840), (4, 20324880), (5, 16259904), (6, 13549920), (8, 10162440), (9, 9033280), (10, 8129952), (12, 6774960), (15, 5419968), (16, 5081220), (18, 4516640), (20, 4064976), (24, 3387480), (30, 2709984), (32, 2540610), (36, 2258320), (40, 2032488), (45, 1806656), (48, 1693740), (60, 1354992), (64, 1270305), (72, 1129160), (80, 1016244), (90, 903328), (96, 846870), (120, 677496), (144, 564580), (160, 508122), (180, 451664), (192, 423435), (240, 338748), (288, 282290), (320, 254061), (360, 225832), (480, 169374), (576, 141145), (720, 112916), (960, 84687), (1440, 56458), (2880, 28229)]