215706960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 836898816

約数和(自身を除く): 621191856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 127, 140, 144, 168, 180, 210, 240, 252, 254, 280, 315, 336, 337, 360, 381, 420, 504, 508, 560, 630, 635, 674, 720, 762, 840, 889, 1008, 1011, 1016, 1143, 1260, 1270, 1348, 1524, 1680, 1685, 1778, 1905, 2022, 2032, 2286, 2359, 2520, 2540, 2667, 2696, 3033, 3048, 3370, 3556, 3810, 4044, 4445, 4572, 4718, 5040, 5055, 5080, 5334, 5392, 5715, 6066, 6096, 6740, 7077, 7112, 7620, 8001, 8088, 8890, 9144, 9436, 10110, 10160, 10668, 11430, 11795, 12132, 13335, 13480, 14154, 14224, 15165, 15240, 16002, 16176, 17780, 18288, 18872, 20220, 21231, 21336, 22860, 23590, 24264, 26670, 26960, 28308, 30330, 30480, 32004, 35385, 35560, 37744, 40005, 40440, 42462, 42672, 42799, 45720, 47180, 48528, 53340, 56616, 60660, 64008, 70770, 71120, 80010, 80880, 84924, 85598, 91440, 94360, 106155, 106680, 113232, 121320, 128016, 128397, 141540, 160020, 169848, 171196, 188720, 212310, 213360, 213995, 242640, 256794, 283080, 299593, 320040, 339696, 342392, 385191, 424620, 427990, 513588, 566160, 599186, 640080, 641985, 684784, 770382, 849240, 855980, 898779, 1027176, 1198372, 1283970, 1497965, 1540764, 1698480, 1711960, 1797558, 1925955, 2054352, 2396744, 2567940, 2696337, 2995930, 3081528, 3423920, 3595116, 3851910, 4493895, 4793488, 5135880, 5392674, 5991860, 6163056, 7190232, 7703820, 8987790, 10271760, 10785348, 11983720, 13481685, 14380464, 15407640, 17975580, 21570696, 23967440, 26963370, 30815280, 35951160, 43141392, 53926740, 71902320, 107853480, 215706960]

約数ペア:

[(1, 215706960), (2, 107853480), (3, 71902320), (4, 53926740), (5, 43141392), (6, 35951160), (7, 30815280), (8, 26963370), (9, 23967440), (10, 21570696), (12, 17975580), (14, 15407640), (15, 14380464), (16, 13481685), (18, 11983720), (20, 10785348), (21, 10271760), (24, 8987790), (28, 7703820), (30, 7190232), (35, 6163056), (36, 5991860), (40, 5392674), (42, 5135880), (45, 4793488), (48, 4493895), (56, 3851910), (60, 3595116), (63, 3423920), (70, 3081528), (72, 2995930), (80, 2696337), (84, 2567940), (90, 2396744), (105, 2054352), (112, 1925955), (120, 1797558), (126, 1711960), (127, 1698480), (140, 1540764), (144, 1497965), (168, 1283970), (180, 1198372), (210, 1027176), (240, 898779), (252, 855980), (254, 849240), (280, 770382), (315, 684784), (336, 641985), (337, 640080), (360, 599186), (381, 566160), (420, 513588), (504, 427990), (508, 424620), (560, 385191), (630, 342392), (635, 339696), (674, 320040), (720, 299593), (762, 283080), (840, 256794), (889, 242640), (1008, 213995), (1011, 213360), (1016, 212310), (1143, 188720), (1260, 171196), (1270, 169848), (1348, 160020), (1524, 141540), (1680, 128397), (1685, 128016), (1778, 121320), (1905, 113232), (2022, 106680), (2032, 106155), (2286, 94360), (2359, 91440), (2520, 85598), (2540, 84924), (2667, 80880), (2696, 80010), (3033, 71120), (3048, 70770), (3370, 64008), (3556, 60660), (3810, 56616), (4044, 53340), (4445, 48528), (4572, 47180), (4718, 45720), (5040, 42799), (5055, 42672), (5080, 42462), (5334, 40440), (5392, 40005), (5715, 37744), (6066, 35560), (6096, 35385), (6740, 32004), (7077, 30480), (7112, 30330), (7620, 28308), (8001, 26960), (8088, 26670), (8890, 24264), (9144, 23590), (9436, 22860), (10110, 21336), (10160, 21231), (10668, 20220), (11430, 18872), (11795, 18288), (12132, 17780), (13335, 16176), (13480, 16002), (14154, 15240), (14224, 15165)]