80666640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 272750400

約数和(自身を除く): 192083760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 563, 597, 720, 796, 995, 1126, 1194, 1592, 1689, 1791, 1990, 2252, 2388, 2815, 2985, 3184, 3378, 3582, 3980, 4504, 4776, 5067, 5630, 5970, 6756, 7164, 7960, 8445, 8955, 9008, 9552, 10134, 11260, 11940, 13512, 14328, 15920, 16890, 17910, 20268, 22520, 23880, 25335, 27024, 28656, 33780, 35820, 40536, 45040, 47760, 50670, 67560, 71640, 81072, 101340, 112037, 135120, 143280, 202680, 224074, 336111, 405360, 448148, 560185, 672222, 896296, 1008333, 1120370, 1344444, 1680555, 1792592, 2016666, 2240740, 2688888, 3361110, 4033332, 4481480, 5041665, 5377776, 6722220, 8066664, 8962960, 10083330, 13444440, 16133328, 20166660, 26888880, 40333320, 80666640]

約数ペア:

[(1, 80666640), (2, 40333320), (3, 26888880), (4, 20166660), (5, 16133328), (6, 13444440), (8, 10083330), (9, 8962960), (10, 8066664), (12, 6722220), (15, 5377776), (16, 5041665), (18, 4481480), (20, 4033332), (24, 3361110), (30, 2688888), (36, 2240740), (40, 2016666), (45, 1792592), (48, 1680555), (60, 1344444), (72, 1120370), (80, 1008333), (90, 896296), (120, 672222), (144, 560185), (180, 448148), (199, 405360), (240, 336111), (360, 224074), (398, 202680), (563, 143280), (597, 135120), (720, 112037), (796, 101340), (995, 81072), (1126, 71640), (1194, 67560), (1592, 50670), (1689, 47760), (1791, 45040), (1990, 40536), (2252, 35820), (2388, 33780), (2815, 28656), (2985, 27024), (3184, 25335), (3378, 23880), (3582, 22520), (3980, 20268), (4504, 17910), (4776, 16890), (5067, 15920), (5630, 14328), (5970, 13512), (6756, 11940), (7164, 11260), (7960, 10134), (8445, 9552), (8955, 9008)]