81266976

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{1493}}^1$

素因数の和:1525

約数の個数: 144

約数和(自身を含む): 274083264

約数和(自身を除く): 192816288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 378, 432, 486, 504, 567, 648, 672, 756, 864, 972, 1008, 1134, 1296, 1493, 1512, 1701, 1944, 2016, 2268, 2592, 2986, 3024, 3402, 3888, 4479, 4536, 5972, 6048, 6804, 7776, 8958, 9072, 10451, 11944, 13437, 13608, 17916, 18144, 20902, 23888, 26874, 27216, 31353, 35832, 40311, 41804, 47776, 53748, 54432, 62706, 71664, 80622, 83608, 94059, 107496, 120933, 125412, 143328, 161244, 167216, 188118, 214992, 241866, 250824, 282177, 322488, 334432, 362799, 376236, 429984, 483732, 501648, 564354, 644976, 725598, 752472, 846531, 967464, 1003296, 1128708, 1289952, 1451196, 1504944, 1693062, 1934928, 2257416, 2539593, 2902392, 3009888, 3386124, 3869856, 4514832, 5079186, 5804784, 6772248, 9029664, 10158372, 11609568, 13544496, 20316744, 27088992, 40633488, 81266976]

約数ペア:

[(1, 81266976), (2, 40633488), (3, 27088992), (4, 20316744), (6, 13544496), (7, 11609568), (8, 10158372), (9, 9029664), (12, 6772248), (14, 5804784), (16, 5079186), (18, 4514832), (21, 3869856), (24, 3386124), (27, 3009888), (28, 2902392), (32, 2539593), (36, 2257416), (42, 1934928), (48, 1693062), (54, 1504944), (56, 1451196), (63, 1289952), (72, 1128708), (81, 1003296), (84, 967464), (96, 846531), (108, 752472), (112, 725598), (126, 644976), (144, 564354), (162, 501648), (168, 483732), (189, 429984), (216, 376236), (224, 362799), (243, 334432), (252, 322488), (288, 282177), (324, 250824), (336, 241866), (378, 214992), (432, 188118), (486, 167216), (504, 161244), (567, 143328), (648, 125412), (672, 120933), (756, 107496), (864, 94059), (972, 83608), (1008, 80622), (1134, 71664), (1296, 62706), (1493, 54432), (1512, 53748), (1701, 47776), (1944, 41804), (2016, 40311), (2268, 35832), (2592, 31353), (2986, 27216), (3024, 26874), (3402, 23888), (3888, 20902), (4479, 18144), (4536, 17916), (5972, 13608), (6048, 13437), (6804, 11944), (7776, 10451), (8958, 9072)]