81084528

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:591

約数の個数: 120

約数和(自身を含む): 261182688

約数和(自身を除く): 180098160

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 257, 313, 336, 504, 514, 626, 771, 939, 1008, 1028, 1252, 1542, 1799, 1878, 2056, 2191, 2313, 2504, 2817, 3084, 3598, 3756, 4112, 4382, 4626, 5008, 5397, 5634, 6168, 6573, 7196, 7512, 8764, 9252, 10794, 11268, 12336, 13146, 14392, 15024, 16191, 17528, 18504, 19719, 21588, 22536, 26292, 28784, 32382, 35056, 37008, 39438, 43176, 45072, 52584, 64764, 78876, 80441, 86352, 105168, 129528, 157752, 160882, 241323, 259056, 315504, 321764, 482646, 563087, 643528, 723969, 965292, 1126174, 1287056, 1447938, 1689261, 1930584, 2252348, 2895876, 3378522, 3861168, 4504696, 5067783, 5791752, 6757044, 9009392, 10135566, 11583504, 13514088, 20271132, 27028176, 40542264, 81084528]

約数ペア:

[(1, 81084528), (2, 40542264), (3, 27028176), (4, 20271132), (6, 13514088), (7, 11583504), (8, 10135566), (9, 9009392), (12, 6757044), (14, 5791752), (16, 5067783), (18, 4504696), (21, 3861168), (24, 3378522), (28, 2895876), (36, 2252348), (42, 1930584), (48, 1689261), (56, 1447938), (63, 1287056), (72, 1126174), (84, 965292), (112, 723969), (126, 643528), (144, 563087), (168, 482646), (252, 321764), (257, 315504), (313, 259056), (336, 241323), (504, 160882), (514, 157752), (626, 129528), (771, 105168), (939, 86352), (1008, 80441), (1028, 78876), (1252, 64764), (1542, 52584), (1799, 45072), (1878, 43176), (2056, 39438), (2191, 37008), (2313, 35056), (2504, 32382), (2817, 28784), (3084, 26292), (3598, 22536), (3756, 21588), (4112, 19719), (4382, 18504), (4626, 17528), (5008, 16191), (5397, 15024), (5634, 14392), (6168, 13146), (6573, 12336), (7196, 11268), (7512, 10794), (8764, 9252)]