81875520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28429}}^1$

素因数の和:28452

約数の個数: 84

約数和(自身を含む): 281627580

約数和(自身を除く): 199752060

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, 28429, 56858, 85287, 113716, 142145, 170574, 227432, 255861, 284290, 341148, 426435, 454864, 511722, 568580, 682296, 852870, 909728, 1023444, 1137160, 1279305, 1364592, 1705740, 1819456, 2046888, 2274320, 2558610, 2729184, 3411480, 4093776, 4548640, 5117220, 5458368, 6822960, 8187552, 9097280, 10234440, 13645920, 16375104, 20468880, 27291840, 40937760, 81875520]

約数ペア:

[(1, 81875520), (2, 40937760), (3, 27291840), (4, 20468880), (5, 16375104), (6, 13645920), (8, 10234440), (9, 9097280), (10, 8187552), (12, 6822960), (15, 5458368), (16, 5117220), (18, 4548640), (20, 4093776), (24, 3411480), (30, 2729184), (32, 2558610), (36, 2274320), (40, 2046888), (45, 1819456), (48, 1705740), (60, 1364592), (64, 1279305), (72, 1137160), (80, 1023444), (90, 909728), (96, 852870), (120, 682296), (144, 568580), (160, 511722), (180, 454864), (192, 426435), (240, 341148), (288, 284290), (320, 255861), (360, 227432), (480, 170574), (576, 142145), (720, 113716), (960, 85287), (1440, 56858), (2880, 28429)]