81311664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1741}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 241928960

約数和(自身を除く): 160617296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 556, 834, 973, 1112, 1668, 1741, 1946, 2224, 2919, 3336, 3482, 3892, 5223, 5838, 6672, 6964, 7784, 10446, 11676, 12187, 13928, 15568, 20892, 23352, 24374, 27856, 36561, 41784, 46704, 48748, 73122, 83568, 97496, 146244, 194992, 241999, 292488, 483998, 584976, 725997, 967996, 1451994, 1693993, 1935992, 2903988, 3387986, 3871984, 5081979, 5807976, 6775972, 10163958, 11615952, 13551944, 20327916, 27103888, 40655832, 81311664]

約数ペア:

[(1, 81311664), (2, 40655832), (3, 27103888), (4, 20327916), (6, 13551944), (7, 11615952), (8, 10163958), (12, 6775972), (14, 5807976), (16, 5081979), (21, 3871984), (24, 3387986), (28, 2903988), (42, 1935992), (48, 1693993), (56, 1451994), (84, 967996), (112, 725997), (139, 584976), (168, 483998), (278, 292488), (336, 241999), (417, 194992), (556, 146244), (834, 97496), (973, 83568), (1112, 73122), (1668, 48748), (1741, 46704), (1946, 41784), (2224, 36561), (2919, 27856), (3336, 24374), (3482, 23352), (3892, 20892), (5223, 15568), (5838, 13928), (6672, 12187), (6964, 11676), (7784, 10446)]