81331776

素因数分解:

$2^6\times 3^4\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:594

約数の個数: 140

約数和(自身を含む): 249867420

約数和(自身を除く): 168535644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 81, 87, 96, 108, 116, 144, 162, 174, 192, 216, 232, 261, 288, 324, 348, 432, 464, 522, 541, 576, 648, 696, 783, 864, 928, 1044, 1082, 1296, 1392, 1566, 1623, 1728, 1856, 2088, 2164, 2349, 2592, 2784, 3132, 3246, 4176, 4328, 4698, 4869, 5184, 5568, 6264, 6492, 8352, 8656, 9396, 9738, 12528, 12984, 14607, 15689, 16704, 17312, 18792, 19476, 25056, 25968, 29214, 31378, 34624, 37584, 38952, 43821, 47067, 50112, 51936, 58428, 62756, 75168, 77904, 87642, 94134, 103872, 116856, 125512, 141201, 150336, 155808, 175284, 188268, 233712, 251024, 282402, 311616, 350568, 376536, 423603, 467424, 502048, 564804, 701136, 753072, 847206, 934848, 1004096, 1129608, 1270809, 1402272, 1506144, 1694412, 2259216, 2541618, 2804544, 3012288, 3388824, 4518432, 5083236, 6777648, 9036864, 10166472, 13555296, 20332944, 27110592, 40665888, 81331776]

約数ペア:

[(1, 81331776), (2, 40665888), (3, 27110592), (4, 20332944), (6, 13555296), (8, 10166472), (9, 9036864), (12, 6777648), (16, 5083236), (18, 4518432), (24, 3388824), (27, 3012288), (29, 2804544), (32, 2541618), (36, 2259216), (48, 1694412), (54, 1506144), (58, 1402272), (64, 1270809), (72, 1129608), (81, 1004096), (87, 934848), (96, 847206), (108, 753072), (116, 701136), (144, 564804), (162, 502048), (174, 467424), (192, 423603), (216, 376536), (232, 350568), (261, 311616), (288, 282402), (324, 251024), (348, 233712), (432, 188268), (464, 175284), (522, 155808), (541, 150336), (576, 141201), (648, 125512), (696, 116856), (783, 103872), (864, 94134), (928, 87642), (1044, 77904), (1082, 75168), (1296, 62756), (1392, 58428), (1566, 51936), (1623, 50112), (1728, 47067), (1856, 43821), (2088, 38952), (2164, 37584), (2349, 34624), (2592, 31378), (2784, 29214), (3132, 25968), (3246, 25056), (4176, 19476), (4328, 18792), (4698, 17312), (4869, 16704), (5184, 15689), (5568, 14607), (6264, 12984), (6492, 12528), (8352, 9738), (8656, 9396)]