81579344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2879}}^1$

素因数の和:2928

約数の個数: 80

約数和(自身を含む): 205701120

約数和(自身を除く): 124121776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 1012, 1232, 1288, 1771, 2024, 2576, 2879, 3542, 4048, 5758, 7084, 11516, 14168, 20153, 23032, 28336, 31669, 40306, 46064, 63338, 66217, 80612, 126676, 132434, 161224, 221683, 253352, 264868, 322448, 443366, 463519, 506704, 529736, 728387, 886732, 927038, 1059472, 1456774, 1773464, 1854076, 2913548, 3546928, 3708152, 5098709, 5827096, 7416304, 10197418, 11654192, 20394836, 40789672, 81579344]

約数ペア:

[(1, 81579344), (2, 40789672), (4, 20394836), (7, 11654192), (8, 10197418), (11, 7416304), (14, 5827096), (16, 5098709), (22, 3708152), (23, 3546928), (28, 2913548), (44, 1854076), (46, 1773464), (56, 1456774), (77, 1059472), (88, 927038), (92, 886732), (112, 728387), (154, 529736), (161, 506704), (176, 463519), (184, 443366), (253, 322448), (308, 264868), (322, 253352), (368, 221683), (506, 161224), (616, 132434), (644, 126676), (1012, 80612), (1232, 66217), (1288, 63338), (1771, 46064), (2024, 40306), (2576, 31669), (2879, 28336), (3542, 23032), (4048, 20153), (5758, 14168), (7084, 11516)]