640531862208

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{17651341}}^1$

素因数の和:17651372

約数の個数: 140

約数和(自身を含む): 2169985380112

約数和(自身を除く): 1529453517904

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, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 648, 672, 756, 864, 1008, 1134, 1296, 1344, 1512, 1728, 2016, 2268, 2592, 3024, 4032, 4536, 5184, 6048, 9072, 12096, 18144, 36288, 17651341, 35302682, 52954023, 70605364, 105908046, 123559387, 141210728, 158862069, 211816092, 247118774, 282421456, 317724138, 370678161, 423632184, 476586207, 494237548, 564842912, 635448276, 741356322, 847264368, 953172414, 988475096, 1112034483, 1129685824, 1270896552, 1429758621, 1482712644, 1694528736, 1906344828, 1976950192, 2224068966, 2541793104, 2859517242, 2965425288, 3336103449, 3389057472, 3812689656, 3953900384, 4448137932, 5083586208, 5719034484, 5930850576, 6672206898, 7625379312, 7907800768, 8896275864, 10008310347, 10167172416, 11438068968, 11861701152, 13344413796, 15250758624, 17792551728, 20016620694, 22876137936, 23723402304, 26688827592, 30501517248, 35585103456, 40033241388, 45752275872, 53377655184, 71170206912, 80066482776, 91504551744, 106755310368, 160132965552, 213510620736, 320265931104, 640531862208]

約数ペア:

[(1, 640531862208), (2, 320265931104), (3, 213510620736), (4, 160132965552), (6, 106755310368), (7, 91504551744), (8, 80066482776), (9, 71170206912), (12, 53377655184), (14, 45752275872), (16, 40033241388), (18, 35585103456), (21, 30501517248), (24, 26688827592), (27, 23723402304), (28, 22876137936), (32, 20016620694), (36, 17792551728), (42, 15250758624), (48, 13344413796), (54, 11861701152), (56, 11438068968), (63, 10167172416), (64, 10008310347), (72, 8896275864), (81, 7907800768), (84, 7625379312), (96, 6672206898), (108, 5930850576), (112, 5719034484), (126, 5083586208), (144, 4448137932), (162, 3953900384), (168, 3812689656), (189, 3389057472), (192, 3336103449), (216, 2965425288), (224, 2859517242), (252, 2541793104), (288, 2224068966), (324, 1976950192), (336, 1906344828), (378, 1694528736), (432, 1482712644), (448, 1429758621), (504, 1270896552), (567, 1129685824), (576, 1112034483), (648, 988475096), (672, 953172414), (756, 847264368), (864, 741356322), (1008, 635448276), (1134, 564842912), (1296, 494237548), (1344, 476586207), (1512, 423632184), (1728, 370678161), (2016, 317724138), (2268, 282421456), (2592, 247118774), (3024, 211816092), (4032, 158862069), (4536, 141210728), (5184, 123559387), (6048, 105908046), (9072, 70605364), (12096, 52954023), (18144, 35302682), (36288, 17651341)]