81329760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56479}}^1$

素因数の和:56500

約数の個数: 72

約数和(自身を含む): 277542720

約数和(自身を除く): 196212960

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56479, 112958, 169437, 225916, 282395, 338874, 451832, 508311, 564790, 677748, 847185, 903664, 1016622, 1129580, 1355496, 1694370, 1807328, 2033244, 2259160, 2541555, 2710992, 3388740, 4066488, 4518320, 5083110, 5421984, 6777480, 8132976, 9036640, 10166220, 13554960, 16265952, 20332440, 27109920, 40664880, 81329760]

約数ペア:

[(1, 81329760), (2, 40664880), (3, 27109920), (4, 20332440), (5, 16265952), (6, 13554960), (8, 10166220), (9, 9036640), (10, 8132976), (12, 6777480), (15, 5421984), (16, 5083110), (18, 4518320), (20, 4066488), (24, 3388740), (30, 2710992), (32, 2541555), (36, 2259160), (40, 2033244), (45, 1807328), (48, 1694370), (60, 1355496), (72, 1129580), (80, 1016622), (90, 903664), (96, 847185), (120, 677748), (144, 564790), (160, 508311), (180, 451832), (240, 338874), (288, 282395), (360, 225916), (480, 169437), (720, 112958), (1440, 56479)]