1816689280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 256

約数和(自身を含む): 5214044160

約数和(自身を除く): 3397354880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 103, 112, 124, 127, 128, 140, 155, 160, 206, 217, 224, 248, 254, 280, 310, 320, 412, 434, 448, 496, 508, 515, 560, 620, 635, 640, 721, 824, 868, 889, 896, 992, 1016, 1030, 1085, 1120, 1240, 1270, 1442, 1648, 1736, 1778, 1984, 2032, 2060, 2170, 2240, 2480, 2540, 2884, 3193, 3296, 3472, 3556, 3605, 3937, 3968, 4064, 4120, 4340, 4445, 4480, 4960, 5080, 5768, 6386, 6592, 6944, 7112, 7210, 7874, 8128, 8240, 8680, 8890, 9920, 10160, 11536, 12772, 13081, 13184, 13888, 14224, 14420, 15748, 15965, 16256, 16480, 17360, 17780, 19685, 19840, 20320, 22351, 23072, 25544, 26162, 27559, 27776, 28448, 28840, 31496, 31930, 32960, 34720, 35560, 39370, 40640, 44702, 46144, 51088, 52324, 55118, 56896, 57680, 62992, 63860, 65405, 65920, 69440, 71120, 78740, 81280, 89404, 91567, 92288, 102176, 104648, 110236, 111755, 113792, 115360, 125984, 127720, 130810, 137795, 138880, 142240, 157480, 178808, 183134, 204352, 209296, 220472, 223510, 230720, 251968, 255440, 261620, 275590, 284480, 314960, 357616, 366268, 405511, 408704, 418592, 440944, 447020, 457835, 461440, 503936, 510880, 523240, 551180, 568960, 629920, 715232, 732536, 811022, 837184, 881888, 894040, 915670, 1021760, 1046480, 1102360, 1259840, 1430464, 1465072, 1622044, 1674368, 1763776, 1788080, 1831340, 2027555, 2043520, 2092960, 2204720, 2519680, 2838577, 2860928, 2930144, 3244088, 3527552, 3576160, 3662680, 4055110, 4185920, 4409440, 5677154, 5860288, 6488176, 7152320, 7325360, 8110220, 8371840, 8818880, 11354308, 11720576, 12976352, 14192885, 14304640, 14650720, 16220440, 17637760, 22708616, 25952704, 28385770, 29301440, 32440880, 45417232, 51905408, 56771540, 58602880, 64881760, 90834464, 113543080, 129763520, 181668928, 227086160, 259527040, 363337856, 454172320, 908344640, 1816689280]

約数ペア:

[(1, 1816689280), (2, 908344640), (4, 454172320), (5, 363337856), (7, 259527040), (8, 227086160), (10, 181668928), (14, 129763520), (16, 113543080), (20, 90834464), (28, 64881760), (31, 58602880), (32, 56771540), (35, 51905408), (40, 45417232), (56, 32440880), (62, 29301440), (64, 28385770), (70, 25952704), (80, 22708616), (103, 17637760), (112, 16220440), (124, 14650720), (127, 14304640), (128, 14192885), (140, 12976352), (155, 11720576), (160, 11354308), (206, 8818880), (217, 8371840), (224, 8110220), (248, 7325360), (254, 7152320), (280, 6488176), (310, 5860288), (320, 5677154), (412, 4409440), (434, 4185920), (448, 4055110), (496, 3662680), (508, 3576160), (515, 3527552), (560, 3244088), (620, 2930144), (635, 2860928), (640, 2838577), (721, 2519680), (824, 2204720), (868, 2092960), (889, 2043520), (896, 2027555), (992, 1831340), (1016, 1788080), (1030, 1763776), (1085, 1674368), (1120, 1622044), (1240, 1465072), (1270, 1430464), (1442, 1259840), (1648, 1102360), (1736, 1046480), (1778, 1021760), (1984, 915670), (2032, 894040), (2060, 881888), (2170, 837184), (2240, 811022), (2480, 732536), (2540, 715232), (2884, 629920), (3193, 568960), (3296, 551180), (3472, 523240), (3556, 510880), (3605, 503936), (3937, 461440), (3968, 457835), (4064, 447020), (4120, 440944), (4340, 418592), (4445, 408704), (4480, 405511), (4960, 366268), (5080, 357616), (5768, 314960), (6386, 284480), (6592, 275590), (6944, 261620), (7112, 255440), (7210, 251968), (7874, 230720), (8128, 223510), (8240, 220472), (8680, 209296), (8890, 204352), (9920, 183134), (10160, 178808), (11536, 157480), (12772, 142240), (13081, 138880), (13184, 137795), (13888, 130810), (14224, 127720), (14420, 125984), (15748, 115360), (15965, 113792), (16256, 111755), (16480, 110236), (17360, 104648), (17780, 102176), (19685, 92288), (19840, 91567), (20320, 89404), (22351, 81280), (23072, 78740), (25544, 71120), (26162, 69440), (27559, 65920), (27776, 65405), (28448, 63860), (28840, 62992), (31496, 57680), (31930, 56896), (32960, 55118), (34720, 52324), (35560, 51088), (39370, 46144), (40640, 44702)]