90709008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 268607808

約数和(自身を除く): 177898800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 289, 312, 408, 442, 503, 578, 624, 663, 816, 867, 884, 1006, 1156, 1326, 1509, 1734, 1768, 2012, 2312, 2652, 3018, 3468, 3536, 3757, 4024, 4624, 5304, 6036, 6539, 6936, 7514, 8048, 8551, 10608, 11271, 12072, 13078, 13872, 15028, 17102, 19617, 22542, 24144, 25653, 26156, 30056, 34204, 39234, 45084, 51306, 52312, 60112, 68408, 78468, 90168, 102612, 104624, 111163, 136816, 145367, 156936, 180336, 205224, 222326, 290734, 313872, 333489, 410448, 436101, 444652, 581468, 666978, 872202, 889304, 1162936, 1333956, 1744404, 1778608, 1889771, 2325872, 2667912, 3488808, 3779542, 5335824, 5669313, 6977616, 7559084, 11338626, 15118168, 22677252, 30236336, 45354504, 90709008]

約数ペア:

[(1, 90709008), (2, 45354504), (3, 30236336), (4, 22677252), (6, 15118168), (8, 11338626), (12, 7559084), (13, 6977616), (16, 5669313), (17, 5335824), (24, 3779542), (26, 3488808), (34, 2667912), (39, 2325872), (48, 1889771), (51, 1778608), (52, 1744404), (68, 1333956), (78, 1162936), (102, 889304), (104, 872202), (136, 666978), (156, 581468), (204, 444652), (208, 436101), (221, 410448), (272, 333489), (289, 313872), (312, 290734), (408, 222326), (442, 205224), (503, 180336), (578, 156936), (624, 145367), (663, 136816), (816, 111163), (867, 104624), (884, 102612), (1006, 90168), (1156, 78468), (1326, 68408), (1509, 60112), (1734, 52312), (1768, 51306), (2012, 45084), (2312, 39234), (2652, 34204), (3018, 30056), (3468, 26156), (3536, 25653), (3757, 24144), (4024, 22542), (4624, 19617), (5304, 17102), (6036, 15028), (6539, 13872), (6936, 13078), (7514, 12072), (8048, 11271), (8551, 10608)]