256639680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8101}}^1$

素因数の和:8135

約数の個数: 168

約数和(自身を含む): 963100944

約数和(自身を除く): 706461264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 8101, 10560, 15840, 16202, 24303, 31680, 32404, 40505, 48606, 64808, 72909, 81010, 89111, 97212, 121515, 129616, 145818, 162020, 178222, 194424, 243030, 259232, 267333, 291636, 324040, 356444, 364545, 388848, 445555, 486060, 518464, 534666, 583272, 648080, 712888, 729090, 777696, 801999, 891110, 972120, 1069332, 1166544, 1296160, 1336665, 1425776, 1458180, 1555392, 1603998, 1782220, 1944240, 2138664, 2333088, 2592320, 2673330, 2851552, 2916360, 3207996, 3564440, 3888480, 4009995, 4277328, 4666176, 5346660, 5703104, 5832720, 6415992, 7128880, 7776960, 8019990, 8554656, 10693320, 11665440, 12831984, 14257760, 16039980, 17109312, 21386640, 23330880, 25663968, 28515520, 32079960, 42773280, 51327936, 64159920, 85546560, 128319840, 256639680]

約数ペア:

[(1, 256639680), (2, 128319840), (3, 85546560), (4, 64159920), (5, 51327936), (6, 42773280), (8, 32079960), (9, 28515520), (10, 25663968), (11, 23330880), (12, 21386640), (15, 17109312), (16, 16039980), (18, 14257760), (20, 12831984), (22, 11665440), (24, 10693320), (30, 8554656), (32, 8019990), (33, 7776960), (36, 7128880), (40, 6415992), (44, 5832720), (45, 5703104), (48, 5346660), (55, 4666176), (60, 4277328), (64, 4009995), (66, 3888480), (72, 3564440), (80, 3207996), (88, 2916360), (90, 2851552), (96, 2673330), (99, 2592320), (110, 2333088), (120, 2138664), (132, 1944240), (144, 1782220), (160, 1603998), (165, 1555392), (176, 1458180), (180, 1425776), (192, 1336665), (198, 1296160), (220, 1166544), (240, 1069332), (264, 972120), (288, 891110), (320, 801999), (330, 777696), (352, 729090), (360, 712888), (396, 648080), (440, 583272), (480, 534666), (495, 518464), (528, 486060), (576, 445555), (660, 388848), (704, 364545), (720, 356444), (792, 324040), (880, 291636), (960, 267333), (990, 259232), (1056, 243030), (1320, 194424), (1440, 178222), (1584, 162020), (1760, 145818), (1980, 129616), (2112, 121515), (2640, 97212), (2880, 89111), (3168, 81010), (3520, 72909), (3960, 64808), (5280, 48606), (6336, 40505), (7920, 32404), (8101, 31680), (10560, 24303), (15840, 16202)]