81661776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10567}}^1$

素因数の和:10608

約数の個数: 80

約数和(自身を含む): 251602944

約数和(自身を除く): 169941168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 3864, 7728, 10567, 21134, 31701, 42268, 63402, 73969, 84536, 126804, 147938, 169072, 221907, 243041, 253608, 295876, 443814, 486082, 507216, 591752, 729123, 887628, 972164, 1183504, 1458246, 1701287, 1775256, 1944328, 2916492, 3402574, 3550512, 3888656, 5103861, 5832984, 6805148, 10207722, 11665968, 13610296, 20415444, 27220592, 40830888, 81661776]

約数ペア:

[(1, 81661776), (2, 40830888), (3, 27220592), (4, 20415444), (6, 13610296), (7, 11665968), (8, 10207722), (12, 6805148), (14, 5832984), (16, 5103861), (21, 3888656), (23, 3550512), (24, 3402574), (28, 2916492), (42, 1944328), (46, 1775256), (48, 1701287), (56, 1458246), (69, 1183504), (84, 972164), (92, 887628), (112, 729123), (138, 591752), (161, 507216), (168, 486082), (184, 443814), (276, 295876), (322, 253608), (336, 243041), (368, 221907), (483, 169072), (552, 147938), (644, 126804), (966, 84536), (1104, 73969), (1288, 63402), (1932, 42268), (2576, 31701), (3864, 21134), (7728, 10567)]