7801918720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2232

約数の個数: 144

約数和(自身を含む): 19533240720

約数和(自身を除く): 11731322000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 101, 116, 128, 145, 160, 202, 232, 256, 290, 320, 404, 464, 505, 580, 640, 808, 928, 1010, 1160, 1280, 1616, 1856, 2020, 2081, 2320, 2929, 3232, 3712, 4040, 4162, 4640, 5858, 6464, 7424, 8080, 8324, 9280, 10405, 11716, 12928, 14645, 16160, 16648, 18560, 20810, 23432, 25856, 29290, 32320, 33296, 37120, 41620, 46864, 58580, 60349, 64640, 66592, 83240, 93728, 117160, 120698, 129280, 133184, 166480, 187456, 210181, 234320, 241396, 266368, 301745, 332960, 374912, 420362, 468640, 482792, 532736, 603490, 665920, 749824, 840724, 937280, 965584, 1050905, 1206980, 1331840, 1681448, 1874560, 1931168, 2101810, 2413960, 2663680, 3362896, 3749120, 3862336, 4203620, 4827920, 6095249, 6725792, 7724672, 8407240, 9655840, 12190498, 13451584, 15449344, 16814480, 19311680, 24380996, 26903168, 30476245, 33628960, 38623360, 48761992, 53806336, 60952490, 67257920, 77246720, 97523984, 121904980, 134515840, 195047968, 243809960, 269031680, 390095936, 487619920, 780191872, 975239840, 1560383744, 1950479680, 3900959360, 7801918720]

約数ペア:

[(1, 7801918720), (2, 3900959360), (4, 1950479680), (5, 1560383744), (8, 975239840), (10, 780191872), (16, 487619920), (20, 390095936), (29, 269031680), (32, 243809960), (40, 195047968), (58, 134515840), (64, 121904980), (80, 97523984), (101, 77246720), (116, 67257920), (128, 60952490), (145, 53806336), (160, 48761992), (202, 38623360), (232, 33628960), (256, 30476245), (290, 26903168), (320, 24380996), (404, 19311680), (464, 16814480), (505, 15449344), (580, 13451584), (640, 12190498), (808, 9655840), (928, 8407240), (1010, 7724672), (1160, 6725792), (1280, 6095249), (1616, 4827920), (1856, 4203620), (2020, 3862336), (2081, 3749120), (2320, 3362896), (2929, 2663680), (3232, 2413960), (3712, 2101810), (4040, 1931168), (4162, 1874560), (4640, 1681448), (5858, 1331840), (6464, 1206980), (7424, 1050905), (8080, 965584), (8324, 937280), (9280, 840724), (10405, 749824), (11716, 665920), (12928, 603490), (14645, 532736), (16160, 482792), (16648, 468640), (18560, 420362), (20810, 374912), (23432, 332960), (25856, 301745), (29290, 266368), (32320, 241396), (33296, 234320), (37120, 210181), (41620, 187456), (46864, 166480), (58580, 133184), (60349, 129280), (64640, 120698), (66592, 117160), (83240, 93728)]