81286968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 245836800

約数和(自身を除く): 164549832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 109, 138, 161, 168, 184, 193, 218, 276, 322, 327, 386, 436, 483, 552, 579, 644, 654, 763, 772, 872, 966, 1158, 1288, 1308, 1351, 1526, 1544, 1932, 2289, 2316, 2507, 2616, 2702, 3052, 3864, 4053, 4439, 4578, 4632, 5014, 5404, 6104, 7521, 8106, 8878, 9156, 10028, 10808, 13317, 15042, 16212, 17549, 17756, 18312, 20056, 21037, 26634, 30084, 31073, 32424, 35098, 35512, 42074, 52647, 53268, 60168, 62146, 63111, 70196, 84148, 93219, 105294, 106536, 124292, 126222, 140392, 147259, 168296, 186438, 210588, 248584, 252444, 294518, 372876, 421176, 441777, 483851, 504888, 589036, 745752, 883554, 967702, 1178072, 1451553, 1767108, 1935404, 2903106, 3386957, 3534216, 3870808, 5806212, 6773914, 10160871, 11612424, 13547828, 20321742, 27095656, 40643484, 81286968]

約数ペア:

[(1, 81286968), (2, 40643484), (3, 27095656), (4, 20321742), (6, 13547828), (7, 11612424), (8, 10160871), (12, 6773914), (14, 5806212), (21, 3870808), (23, 3534216), (24, 3386957), (28, 2903106), (42, 1935404), (46, 1767108), (56, 1451553), (69, 1178072), (84, 967702), (92, 883554), (109, 745752), (138, 589036), (161, 504888), (168, 483851), (184, 441777), (193, 421176), (218, 372876), (276, 294518), (322, 252444), (327, 248584), (386, 210588), (436, 186438), (483, 168296), (552, 147259), (579, 140392), (644, 126222), (654, 124292), (763, 106536), (772, 105294), (872, 93219), (966, 84148), (1158, 70196), (1288, 63111), (1308, 62146), (1351, 60168), (1526, 53268), (1544, 52647), (1932, 42074), (2289, 35512), (2316, 35098), (2507, 32424), (2616, 31073), (2702, 30084), (3052, 26634), (3864, 21037), (4053, 20056), (4439, 18312), (4578, 17756), (4632, 17549), (5014, 16212), (5404, 15042), (6104, 13317), (7521, 10808), (8106, 10028), (8878, 9156)]