81764144

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 212040000

約数和(自身を除く): 130275856

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 176, 196, 209, 266, 304, 308, 392, 418, 499, 532, 539, 616, 784, 836, 931, 998, 1064, 1078, 1232, 1463, 1672, 1862, 1996, 2128, 2156, 2926, 3344, 3493, 3724, 3992, 4312, 5489, 5852, 6986, 7448, 7984, 8624, 9481, 10241, 10978, 11704, 13972, 14896, 18962, 20482, 21956, 23408, 24451, 27944, 37924, 38423, 40964, 43912, 48902, 55888, 66367, 75848, 76846, 81928, 87824, 97804, 104291, 132734, 151696, 153692, 163856, 195608, 208582, 265468, 268961, 307384, 391216, 417164, 464569, 530936, 537922, 614768, 730037, 834328, 929138, 1061872, 1075844, 1460074, 1668656, 1858276, 2151688, 2920148, 3716552, 4303376, 5110259, 5840296, 7433104, 10220518, 11680592, 20441036, 40882072, 81764144]

約数ペア:

[(1, 81764144), (2, 40882072), (4, 20441036), (7, 11680592), (8, 10220518), (11, 7433104), (14, 5840296), (16, 5110259), (19, 4303376), (22, 3716552), (28, 2920148), (38, 2151688), (44, 1858276), (49, 1668656), (56, 1460074), (76, 1075844), (77, 1061872), (88, 929138), (98, 834328), (112, 730037), (133, 614768), (152, 537922), (154, 530936), (176, 464569), (196, 417164), (209, 391216), (266, 307384), (304, 268961), (308, 265468), (392, 208582), (418, 195608), (499, 163856), (532, 153692), (539, 151696), (616, 132734), (784, 104291), (836, 97804), (931, 87824), (998, 81928), (1064, 76846), (1078, 75848), (1232, 66367), (1463, 55888), (1672, 48902), (1862, 43912), (1996, 40964), (2128, 38423), (2156, 37924), (2926, 27944), (3344, 24451), (3493, 23408), (3724, 21956), (3992, 20482), (4312, 18962), (5489, 14896), (5852, 13972), (6986, 11704), (7448, 10978), (7984, 10241), (8624, 9481)]