255447984

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 515931216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 149, 176, 187, 191, 204, 264, 272, 298, 374, 382, 408, 447, 528, 561, 573, 596, 748, 764, 816, 894, 1122, 1146, 1192, 1496, 1528, 1639, 1788, 2101, 2244, 2292, 2384, 2533, 2992, 3056, 3247, 3278, 3576, 4202, 4488, 4584, 4917, 5066, 6303, 6494, 6556, 7152, 7599, 8404, 8976, 9168, 9741, 9834, 10132, 12606, 12988, 13112, 15198, 16808, 19482, 19668, 20264, 25212, 25976, 26224, 27863, 28459, 30396, 33616, 35717, 38964, 39336, 40528, 50424, 51952, 55726, 56918, 60792, 71434, 77928, 78672, 83589, 85377, 100848, 107151, 111452, 113836, 121584, 142868, 155856, 167178, 170754, 214302, 222904, 227672, 285736, 313049, 334356, 341508, 428604, 445808, 455344, 483803, 571472, 626098, 668712, 683016, 857208, 939147, 967606, 1252196, 1337424, 1366032, 1451409, 1714416, 1878294, 1935212, 2504392, 2902818, 3756588, 3870424, 5008784, 5321833, 5805636, 7513176, 7740848, 10643666, 11611272, 15026352, 15965499, 21287332, 23222544, 31930998, 42574664, 63861996, 85149328, 127723992, 255447984]

約数ペア:

[(1, 255447984), (2, 127723992), (3, 85149328), (4, 63861996), (6, 42574664), (8, 31930998), (11, 23222544), (12, 21287332), (16, 15965499), (17, 15026352), (22, 11611272), (24, 10643666), (33, 7740848), (34, 7513176), (44, 5805636), (48, 5321833), (51, 5008784), (66, 3870424), (68, 3756588), (88, 2902818), (102, 2504392), (132, 1935212), (136, 1878294), (149, 1714416), (176, 1451409), (187, 1366032), (191, 1337424), (204, 1252196), (264, 967606), (272, 939147), (298, 857208), (374, 683016), (382, 668712), (408, 626098), (447, 571472), (528, 483803), (561, 455344), (573, 445808), (596, 428604), (748, 341508), (764, 334356), (816, 313049), (894, 285736), (1122, 227672), (1146, 222904), (1192, 214302), (1496, 170754), (1528, 167178), (1639, 155856), (1788, 142868), (2101, 121584), (2244, 113836), (2292, 111452), (2384, 107151), (2533, 100848), (2992, 85377), (3056, 83589), (3247, 78672), (3278, 77928), (3576, 71434), (4202, 60792), (4488, 56918), (4584, 55726), (4917, 51952), (5066, 50424), (6303, 40528), (6494, 39336), (6556, 38964), (7152, 35717), (7599, 33616), (8404, 30396), (8976, 28459), (9168, 27863), (9741, 26224), (9834, 25976), (10132, 25212), (12606, 20264), (12988, 19668), (13112, 19482), (15198, 16808)]