77681120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 222082560

約数和(自身を除く): 144401440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 32, 38, 40, 44, 46, 55, 76, 80, 88, 92, 95, 101, 110, 115, 152, 160, 176, 184, 190, 202, 209, 220, 230, 253, 304, 352, 368, 380, 404, 418, 437, 440, 460, 505, 506, 608, 736, 760, 808, 836, 874, 880, 920, 1010, 1012, 1045, 1111, 1265, 1520, 1616, 1672, 1748, 1760, 1840, 1919, 2020, 2024, 2090, 2185, 2222, 2323, 2530, 3040, 3232, 3344, 3496, 3680, 3838, 4040, 4048, 4180, 4370, 4444, 4646, 4807, 5060, 5555, 6688, 6992, 7676, 8080, 8096, 8360, 8740, 8888, 9292, 9595, 9614, 10120, 11110, 11615, 13984, 15352, 16160, 16720, 17480, 17776, 18584, 19190, 19228, 20240, 21109, 22220, 23230, 24035, 25553, 30704, 33440, 34960, 35552, 37168, 38380, 38456, 40480, 42218, 44137, 44440, 46460, 48070, 51106, 61408, 69920, 74336, 76760, 76912, 84436, 88274, 88880, 92920, 96140, 102212, 105545, 127765, 153520, 153824, 168872, 176548, 177760, 185840, 192280, 204424, 211090, 220685, 255530, 307040, 337744, 353096, 371680, 384560, 408848, 422180, 441370, 485507, 511060, 675488, 706192, 769120, 817696, 844360, 882740, 971014, 1022120, 1412384, 1688720, 1765480, 1942028, 2044240, 2427535, 3377440, 3530960, 3884056, 4088480, 4855070, 7061920, 7768112, 9710140, 15536224, 19420280, 38840560, 77681120]

約数ペア:

[(1, 77681120), (2, 38840560), (4, 19420280), (5, 15536224), (8, 9710140), (10, 7768112), (11, 7061920), (16, 4855070), (19, 4088480), (20, 3884056), (22, 3530960), (23, 3377440), (32, 2427535), (38, 2044240), (40, 1942028), (44, 1765480), (46, 1688720), (55, 1412384), (76, 1022120), (80, 971014), (88, 882740), (92, 844360), (95, 817696), (101, 769120), (110, 706192), (115, 675488), (152, 511060), (160, 485507), (176, 441370), (184, 422180), (190, 408848), (202, 384560), (209, 371680), (220, 353096), (230, 337744), (253, 307040), (304, 255530), (352, 220685), (368, 211090), (380, 204424), (404, 192280), (418, 185840), (437, 177760), (440, 176548), (460, 168872), (505, 153824), (506, 153520), (608, 127765), (736, 105545), (760, 102212), (808, 96140), (836, 92920), (874, 88880), (880, 88274), (920, 84436), (1010, 76912), (1012, 76760), (1045, 74336), (1111, 69920), (1265, 61408), (1520, 51106), (1616, 48070), (1672, 46460), (1748, 44440), (1760, 44137), (1840, 42218), (1919, 40480), (2020, 38456), (2024, 38380), (2090, 37168), (2185, 35552), (2222, 34960), (2323, 33440), (2530, 30704), (3040, 25553), (3232, 24035), (3344, 23230), (3496, 22220), (3680, 21109), (3838, 20240), (4040, 19228), (4048, 19190), (4180, 18584), (4370, 17776), (4444, 17480), (4646, 16720), (4807, 16160), (5060, 15352), (5555, 13984), (6688, 11615), (6992, 11110), (7676, 10120), (8080, 9614), (8096, 9595), (8360, 9292), (8740, 8888)]