81653880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8837}}^1$

素因数の和:8869

約数の個数: 128

約数和(自身を含む): 305441280

約数和(自身を除く): 223787400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 8837, 9240, 17674, 26511, 35348, 44185, 53022, 61859, 70696, 88370, 97207, 106044, 123718, 132555, 176740, 185577, 194414, 212088, 247436, 265110, 291621, 309295, 353480, 371154, 388828, 486035, 494872, 530220, 583242, 618590, 680449, 742308, 777656, 927885, 972070, 1060440, 1166484, 1237180, 1360898, 1458105, 1484616, 1855770, 1944140, 2041347, 2332968, 2474360, 2721796, 2916210, 3402245, 3711540, 3888280, 4082694, 5443592, 5832420, 6804490, 7423080, 8165388, 10206735, 11664840, 13608980, 16330776, 20413470, 27217960, 40826940, 81653880]

約数ペア:

[(1, 81653880), (2, 40826940), (3, 27217960), (4, 20413470), (5, 16330776), (6, 13608980), (7, 11664840), (8, 10206735), (10, 8165388), (11, 7423080), (12, 6804490), (14, 5832420), (15, 5443592), (20, 4082694), (21, 3888280), (22, 3711540), (24, 3402245), (28, 2916210), (30, 2721796), (33, 2474360), (35, 2332968), (40, 2041347), (42, 1944140), (44, 1855770), (55, 1484616), (56, 1458105), (60, 1360898), (66, 1237180), (70, 1166484), (77, 1060440), (84, 972070), (88, 927885), (105, 777656), (110, 742308), (120, 680449), (132, 618590), (140, 583242), (154, 530220), (165, 494872), (168, 486035), (210, 388828), (220, 371154), (231, 353480), (264, 309295), (280, 291621), (308, 265110), (330, 247436), (385, 212088), (420, 194414), (440, 185577), (462, 176740), (616, 132555), (660, 123718), (770, 106044), (840, 97207), (924, 88370), (1155, 70696), (1320, 61859), (1540, 53022), (1848, 44185), (2310, 35348), (3080, 26511), (4620, 17674), (8837, 9240)]