640592064

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 280

約数和(自身を含む): 2203013120

約数和(自身を除く): 1562421056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 127, 139, 144, 162, 168, 189, 192, 216, 224, 252, 254, 278, 288, 324, 336, 378, 381, 417, 432, 448, 504, 508, 556, 567, 576, 648, 672, 756, 762, 834, 864, 889, 973, 1008, 1016, 1112, 1134, 1143, 1251, 1296, 1344, 1512, 1524, 1668, 1728, 1778, 1946, 2016, 2032, 2224, 2268, 2286, 2502, 2592, 2667, 2919, 3024, 3048, 3336, 3429, 3556, 3753, 3892, 4032, 4064, 4448, 4536, 4572, 5004, 5184, 5334, 5838, 6048, 6096, 6672, 6858, 7112, 7506, 7784, 8001, 8128, 8757, 8896, 9072, 9144, 10008, 10287, 10668, 11259, 11676, 12096, 12192, 13344, 13716, 14224, 15012, 15568, 16002, 17514, 17653, 18144, 18288, 20016, 20574, 21336, 22518, 23352, 24003, 24384, 26271, 26688, 27432, 28448, 30024, 31136, 32004, 35028, 35306, 36288, 36576, 40032, 41148, 42672, 45036, 46704, 48006, 52542, 52959, 54864, 56896, 60048, 62272, 64008, 70056, 70612, 72009, 73152, 78813, 80064, 82296, 85344, 90072, 93408, 96012, 105084, 105918, 109728, 120096, 123571, 128016, 140112, 141224, 144018, 157626, 158877, 164592, 170688, 180144, 186816, 192024, 210168, 211836, 219456, 240192, 247142, 256032, 280224, 282448, 288036, 315252, 317754, 329184, 360288, 370713, 384048, 420336, 423672, 476631, 494284, 512064, 560448, 564896, 576072, 630504, 635508, 658368, 720576, 741426, 768096, 840672, 847344, 953262, 988568, 1112139, 1129792, 1152144, 1261008, 1271016, 1429893, 1482852, 1536192, 1681344, 1694688, 1906524, 1977136, 2224278, 2304288, 2522016, 2542032, 2859786, 2965704, 3336417, 3389376, 3813048, 3954272, 4448556, 4608576, 5044032, 5084064, 5719572, 5931408, 6672834, 7626096, 7908544, 8897112, 10009251, 10168128, 11439144, 11862816, 13345668, 15252192, 17794224, 20018502, 22878288, 23725632, 26691336, 30504384, 35588448, 40037004, 45756576, 53382672, 71176896, 80074008, 91513152, 106765344, 160148016, 213530688, 320296032, 640592064]

約数ペア:

[(1, 640592064), (2, 320296032), (3, 213530688), (4, 160148016), (6, 106765344), (7, 91513152), (8, 80074008), (9, 71176896), (12, 53382672), (14, 45756576), (16, 40037004), (18, 35588448), (21, 30504384), (24, 26691336), (27, 23725632), (28, 22878288), (32, 20018502), (36, 17794224), (42, 15252192), (48, 13345668), (54, 11862816), (56, 11439144), (63, 10168128), (64, 10009251), (72, 8897112), (81, 7908544), (84, 7626096), (96, 6672834), (108, 5931408), (112, 5719572), (126, 5084064), (127, 5044032), (139, 4608576), (144, 4448556), (162, 3954272), (168, 3813048), (189, 3389376), (192, 3336417), (216, 2965704), (224, 2859786), (252, 2542032), (254, 2522016), (278, 2304288), (288, 2224278), (324, 1977136), (336, 1906524), (378, 1694688), (381, 1681344), (417, 1536192), (432, 1482852), (448, 1429893), (504, 1271016), (508, 1261008), (556, 1152144), (567, 1129792), (576, 1112139), (648, 988568), (672, 953262), (756, 847344), (762, 840672), (834, 768096), (864, 741426), (889, 720576), (973, 658368), (1008, 635508), (1016, 630504), (1112, 576072), (1134, 564896), (1143, 560448), (1251, 512064), (1296, 494284), (1344, 476631), (1512, 423672), (1524, 420336), (1668, 384048), (1728, 370713), (1778, 360288), (1946, 329184), (2016, 317754), (2032, 315252), (2224, 288036), (2268, 282448), (2286, 280224), (2502, 256032), (2592, 247142), (2667, 240192), (2919, 219456), (3024, 211836), (3048, 210168), (3336, 192024), (3429, 186816), (3556, 180144), (3753, 170688), (3892, 164592), (4032, 158877), (4064, 157626), (4448, 144018), (4536, 141224), (4572, 140112), (5004, 128016), (5184, 123571), (5334, 120096), (5838, 109728), (6048, 105918), (6096, 105084), (6672, 96012), (6858, 93408), (7112, 90072), (7506, 85344), (7784, 82296), (8001, 80064), (8128, 78813), (8757, 73152), (8896, 72009), (9072, 70612), (9144, 70056), (10008, 64008), (10287, 62272), (10668, 60048), (11259, 56896), (11676, 54864), (12096, 52959), (12192, 52542), (13344, 48006), (13716, 46704), (14224, 45036), (15012, 42672), (15568, 41148), (16002, 40032), (17514, 36576), (17653, 36288), (18144, 35306), (18288, 35028), (20016, 32004), (20574, 31136), (21336, 30024), (22518, 28448), (23352, 27432), (24003, 26688), (24384, 26271)]