161333280

素因数分解:

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

素因数の和:783

約数の個数: 144

約数和(自身を含む): 554299200

約数和(自身を除く): 392965920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 288, 360, 398, 480, 563, 597, 720, 796, 995, 1126, 1194, 1440, 1592, 1689, 1791, 1990, 2252, 2388, 2815, 2985, 3184, 3378, 3582, 3980, 4504, 4776, 5067, 5630, 5970, 6368, 6756, 7164, 7960, 8445, 8955, 9008, 9552, 10134, 11260, 11940, 13512, 14328, 15920, 16890, 17910, 18016, 19104, 20268, 22520, 23880, 25335, 27024, 28656, 31840, 33780, 35820, 40536, 45040, 47760, 50670, 54048, 57312, 67560, 71640, 81072, 90080, 95520, 101340, 112037, 135120, 143280, 162144, 202680, 224074, 270240, 286560, 336111, 405360, 448148, 560185, 672222, 810720, 896296, 1008333, 1120370, 1344444, 1680555, 1792592, 2016666, 2240740, 2688888, 3361110, 3585184, 4033332, 4481480, 5041665, 5377776, 6722220, 8066664, 8962960, 10083330, 10755552, 13444440, 16133328, 17925920, 20166660, 26888880, 32266656, 40333320, 53777760, 80666640, 161333280]

約数ペア:

[(1, 161333280), (2, 80666640), (3, 53777760), (4, 40333320), (5, 32266656), (6, 26888880), (8, 20166660), (9, 17925920), (10, 16133328), (12, 13444440), (15, 10755552), (16, 10083330), (18, 8962960), (20, 8066664), (24, 6722220), (30, 5377776), (32, 5041665), (36, 4481480), (40, 4033332), (45, 3585184), (48, 3361110), (60, 2688888), (72, 2240740), (80, 2016666), (90, 1792592), (96, 1680555), (120, 1344444), (144, 1120370), (160, 1008333), (180, 896296), (199, 810720), (240, 672222), (288, 560185), (360, 448148), (398, 405360), (480, 336111), (563, 286560), (597, 270240), (720, 224074), (796, 202680), (995, 162144), (1126, 143280), (1194, 135120), (1440, 112037), (1592, 101340), (1689, 95520), (1791, 90080), (1990, 81072), (2252, 71640), (2388, 67560), (2815, 57312), (2985, 54048), (3184, 50670), (3378, 47760), (3582, 45040), (3980, 40536), (4504, 35820), (4776, 33780), (5067, 31840), (5630, 28656), (5970, 27024), (6368, 25335), (6756, 23880), (7164, 22520), (7960, 20268), (8445, 19104), (8955, 18016), (9008, 17910), (9552, 16890), (10134, 15920), (11260, 14328), (11940, 13512)]