215430656

素因数分解:

$2^9\times 7^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 120

約数和(自身を含む): 518734656

約数和(自身を除く): 303304000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 277, 392, 434, 448, 496, 512, 554, 784, 868, 896, 992, 1108, 1519, 1568, 1736, 1792, 1939, 1984, 2216, 3038, 3136, 3472, 3584, 3878, 3968, 4432, 6076, 6272, 6944, 7756, 7936, 8587, 8864, 12152, 12544, 13573, 13888, 15512, 15872, 17174, 17728, 24304, 25088, 27146, 27776, 31024, 34348, 35456, 48608, 54292, 55552, 60109, 62048, 68696, 70912, 97216, 108584, 111104, 120218, 124096, 137392, 141824, 194432, 217168, 240436, 248192, 274784, 388864, 420763, 434336, 480872, 496384, 549568, 777728, 841526, 868672, 961744, 992768, 1099136, 1683052, 1737344, 1923488, 2198272, 3366104, 3474688, 3846976, 4396544, 6732208, 6949376, 7693952, 13464416, 15387904, 26928832, 30775808, 53857664, 107715328, 215430656]

約数ペア:

[(1, 215430656), (2, 107715328), (4, 53857664), (7, 30775808), (8, 26928832), (14, 15387904), (16, 13464416), (28, 7693952), (31, 6949376), (32, 6732208), (49, 4396544), (56, 3846976), (62, 3474688), (64, 3366104), (98, 2198272), (112, 1923488), (124, 1737344), (128, 1683052), (196, 1099136), (217, 992768), (224, 961744), (248, 868672), (256, 841526), (277, 777728), (392, 549568), (434, 496384), (448, 480872), (496, 434336), (512, 420763), (554, 388864), (784, 274784), (868, 248192), (896, 240436), (992, 217168), (1108, 194432), (1519, 141824), (1568, 137392), (1736, 124096), (1792, 120218), (1939, 111104), (1984, 108584), (2216, 97216), (3038, 70912), (3136, 68696), (3472, 62048), (3584, 60109), (3878, 55552), (3968, 54292), (4432, 48608), (6076, 35456), (6272, 34348), (6944, 31024), (7756, 27776), (7936, 27146), (8587, 25088), (8864, 24304), (12152, 17728), (12544, 17174), (13573, 15872), (13888, 15512)]