207940320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 288

約数和(自身を含む): 829483200

約数和(自身を除く): 621542880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 343, 360, 392, 420, 421, 441, 480, 490, 504, 560, 588, 630, 672, 686, 720, 735, 784, 840, 842, 882, 980, 1008, 1029, 1120, 1176, 1260, 1263, 1372, 1440, 1470, 1568, 1680, 1684, 1715, 1764, 1960, 2016, 2058, 2105, 2205, 2352, 2520, 2526, 2744, 2940, 2947, 3087, 3360, 3368, 3430, 3528, 3789, 3920, 4116, 4210, 4410, 4704, 5040, 5052, 5145, 5488, 5880, 5894, 6174, 6315, 6736, 6860, 7056, 7578, 7840, 8232, 8420, 8820, 8841, 10080, 10104, 10290, 10976, 11760, 11788, 12348, 12630, 13472, 13720, 14112, 14735, 15156, 15435, 16464, 16840, 17640, 17682, 18945, 20208, 20580, 20629, 23520, 23576, 24696, 25260, 26523, 27440, 29470, 30312, 30870, 32928, 33680, 35280, 35364, 37890, 40416, 41160, 41258, 44205, 47152, 49392, 50520, 53046, 54880, 58940, 60624, 61740, 61887, 67360, 70560, 70728, 75780, 82320, 82516, 88410, 94304, 98784, 101040, 103145, 106092, 117880, 121248, 123480, 123774, 132615, 141456, 144403, 151560, 164640, 165032, 176820, 185661, 202080, 206290, 212184, 235760, 246960, 247548, 265230, 282912, 288806, 303120, 309435, 330064, 353640, 371322, 412580, 424368, 433209, 471520, 493920, 495096, 530460, 577612, 606240, 618870, 660128, 707280, 722015, 742644, 825160, 848736, 866418, 928305, 990192, 1060920, 1155224, 1237740, 1299627, 1414560, 1444030, 1485288, 1650320, 1732836, 1856610, 1980384, 2121840, 2166045, 2310448, 2475480, 2599254, 2888060, 2970576, 3300640, 3465672, 3713220, 4243680, 4332090, 4620896, 4950960, 5198508, 5776120, 5941152, 6498135, 6931344, 7426440, 8664180, 9901920, 10397016, 11552240, 12996270, 13862688, 14852880, 17328360, 20794032, 23104480, 25992540, 29705760, 34656720, 41588064, 51985080, 69313440, 103970160, 207940320]

約数ペア:

[(1, 207940320), (2, 103970160), (3, 69313440), (4, 51985080), (5, 41588064), (6, 34656720), (7, 29705760), (8, 25992540), (9, 23104480), (10, 20794032), (12, 17328360), (14, 14852880), (15, 13862688), (16, 12996270), (18, 11552240), (20, 10397016), (21, 9901920), (24, 8664180), (28, 7426440), (30, 6931344), (32, 6498135), (35, 5941152), (36, 5776120), (40, 5198508), (42, 4950960), (45, 4620896), (48, 4332090), (49, 4243680), (56, 3713220), (60, 3465672), (63, 3300640), (70, 2970576), (72, 2888060), (80, 2599254), (84, 2475480), (90, 2310448), (96, 2166045), (98, 2121840), (105, 1980384), (112, 1856610), (120, 1732836), (126, 1650320), (140, 1485288), (144, 1444030), (147, 1414560), (160, 1299627), (168, 1237740), (180, 1155224), (196, 1060920), (210, 990192), (224, 928305), (240, 866418), (245, 848736), (252, 825160), (280, 742644), (288, 722015), (294, 707280), (315, 660128), (336, 618870), (343, 606240), (360, 577612), (392, 530460), (420, 495096), (421, 493920), (441, 471520), (480, 433209), (490, 424368), (504, 412580), (560, 371322), (588, 353640), (630, 330064), (672, 309435), (686, 303120), (720, 288806), (735, 282912), (784, 265230), (840, 247548), (842, 246960), (882, 235760), (980, 212184), (1008, 206290), (1029, 202080), (1120, 185661), (1176, 176820), (1260, 165032), (1263, 164640), (1372, 151560), (1440, 144403), (1470, 141456), (1568, 132615), (1680, 123774), (1684, 123480), (1715, 121248), (1764, 117880), (1960, 106092), (2016, 103145), (2058, 101040), (2105, 98784), (2205, 94304), (2352, 88410), (2520, 82516), (2526, 82320), (2744, 75780), (2940, 70728), (2947, 70560), (3087, 67360), (3360, 61887), (3368, 61740), (3430, 60624), (3528, 58940), (3789, 54880), (3920, 53046), (4116, 50520), (4210, 49392), (4410, 47152), (4704, 44205), (5040, 41258), (5052, 41160), (5145, 40416), (5488, 37890), (5880, 35364), (5894, 35280), (6174, 33680), (6315, 32928), (6736, 30870), (6860, 30312), (7056, 29470), (7578, 27440), (7840, 26523), (8232, 25260), (8420, 24696), (8820, 23576), (8841, 23520), (10080, 20629), (10104, 20580), (10290, 20208), (10976, 18945), (11760, 17682), (11788, 17640), (12348, 16840), (12630, 16464), (13472, 15435), (13720, 15156), (14112, 14735)]