51317280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{1697}}^1$

素因数の和:1728

約数の個数: 192

約数和(自身を含む): 205390080

約数和(自身を除く): 154072800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1697, 1890, 2016, 2160, 2520, 3024, 3360, 3394, 3780, 4320, 5040, 5091, 6048, 6788, 7560, 8485, 10080, 10182, 11879, 13576, 15120, 15273, 16970, 20364, 23758, 25455, 27152, 30240, 30546, 33940, 35637, 40728, 45819, 47516, 50910, 54304, 59395, 61092, 67880, 71274, 76365, 81456, 91638, 95032, 101820, 106911, 118790, 122184, 135760, 142548, 152730, 162912, 178185, 183276, 190064, 203640, 213822, 229095, 237580, 244368, 271520, 285096, 305460, 320733, 356370, 366552, 380128, 407280, 427644, 458190, 475160, 488736, 534555, 570192, 610920, 641466, 712740, 733104, 814560, 855288, 916380, 950320, 1069110, 1140384, 1221840, 1282932, 1425480, 1466208, 1603665, 1710576, 1832760, 1900640, 2138220, 2443680, 2565864, 2850960, 3207330, 3421152, 3665520, 4276440, 5131728, 5701920, 6414660, 7331040, 8552880, 10263456, 12829320, 17105760, 25658640, 51317280]

約数ペア:

[(1, 51317280), (2, 25658640), (3, 17105760), (4, 12829320), (5, 10263456), (6, 8552880), (7, 7331040), (8, 6414660), (9, 5701920), (10, 5131728), (12, 4276440), (14, 3665520), (15, 3421152), (16, 3207330), (18, 2850960), (20, 2565864), (21, 2443680), (24, 2138220), (27, 1900640), (28, 1832760), (30, 1710576), (32, 1603665), (35, 1466208), (36, 1425480), (40, 1282932), (42, 1221840), (45, 1140384), (48, 1069110), (54, 950320), (56, 916380), (60, 855288), (63, 814560), (70, 733104), (72, 712740), (80, 641466), (84, 610920), (90, 570192), (96, 534555), (105, 488736), (108, 475160), (112, 458190), (120, 427644), (126, 407280), (135, 380128), (140, 366552), (144, 356370), (160, 320733), (168, 305460), (180, 285096), (189, 271520), (210, 244368), (216, 237580), (224, 229095), (240, 213822), (252, 203640), (270, 190064), (280, 183276), (288, 178185), (315, 162912), (336, 152730), (360, 142548), (378, 135760), (420, 122184), (432, 118790), (480, 106911), (504, 101820), (540, 95032), (560, 91638), (630, 81456), (672, 76365), (720, 71274), (756, 67880), (840, 61092), (864, 59395), (945, 54304), (1008, 50910), (1080, 47516), (1120, 45819), (1260, 40728), (1440, 35637), (1512, 33940), (1680, 30546), (1697, 30240), (1890, 27152), (2016, 25455), (2160, 23758), (2520, 20364), (3024, 16970), (3360, 15273), (3394, 15120), (3780, 13576), (4320, 11879), (5040, 10182), (5091, 10080), (6048, 8485), (6788, 7560)]