81308880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37643}}^1$

素因数の和:37665

約数の個数: 80

約数和(自身を含む): 280071360

約数和(自身を除く): 198762480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37643, 75286, 112929, 150572, 188215, 225858, 301144, 338787, 376430, 451716, 564645, 602288, 677574, 752860, 903432, 1016361, 1129290, 1355148, 1505720, 1693935, 1806864, 2032722, 2258580, 2710296, 3011440, 3387870, 4065444, 4517160, 5081805, 5420592, 6775740, 8130888, 9034320, 10163610, 13551480, 16261776, 20327220, 27102960, 40654440, 81308880]

約数ペア:

[(1, 81308880), (2, 40654440), (3, 27102960), (4, 20327220), (5, 16261776), (6, 13551480), (8, 10163610), (9, 9034320), (10, 8130888), (12, 6775740), (15, 5420592), (16, 5081805), (18, 4517160), (20, 4065444), (24, 3387870), (27, 3011440), (30, 2710296), (36, 2258580), (40, 2032722), (45, 1806864), (48, 1693935), (54, 1505720), (60, 1355148), (72, 1129290), (80, 1016361), (90, 903432), (108, 752860), (120, 677574), (135, 602288), (144, 564645), (180, 451716), (216, 376430), (240, 338787), (270, 301144), (360, 225858), (432, 188215), (540, 150572), (720, 112929), (1080, 75286), (2160, 37643)]