639933696

素因数分解:

$2^8\times 3^9\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 180

約数和(自身を含む): 1931105792

約数和(自身を除く): 1291172096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 127, 128, 144, 162, 192, 216, 243, 254, 256, 288, 324, 381, 384, 432, 486, 508, 576, 648, 729, 762, 768, 864, 972, 1016, 1143, 1152, 1296, 1458, 1524, 1728, 1944, 2032, 2187, 2286, 2304, 2592, 2916, 3048, 3429, 3456, 3888, 4064, 4374, 4572, 5184, 5832, 6096, 6561, 6858, 6912, 7776, 8128, 8748, 9144, 10287, 10368, 11664, 12192, 13122, 13716, 15552, 16256, 17496, 18288, 19683, 20574, 20736, 23328, 24384, 26244, 27432, 30861, 31104, 32512, 34992, 36576, 39366, 41148, 46656, 48768, 52488, 54864, 61722, 62208, 69984, 73152, 78732, 82296, 92583, 93312, 97536, 104976, 109728, 123444, 139968, 146304, 157464, 164592, 185166, 186624, 209952, 219456, 246888, 277749, 279936, 292608, 314928, 329184, 370332, 419904, 438912, 493776, 555498, 559872, 629856, 658368, 740664, 833247, 839808, 877824, 987552, 1110996, 1259712, 1316736, 1481328, 1666494, 1679616, 1975104, 2221992, 2499741, 2519424, 2633472, 2962656, 3332988, 3950208, 4443984, 4999482, 5038848, 5925312, 6665976, 7900416, 8887968, 9998964, 11850624, 13331952, 17775936, 19997928, 23701248, 26663904, 35551872, 39995856, 53327808, 71103744, 79991712, 106655616, 159983424, 213311232, 319966848, 639933696]

約数ペア:

[(1, 639933696), (2, 319966848), (3, 213311232), (4, 159983424), (6, 106655616), (8, 79991712), (9, 71103744), (12, 53327808), (16, 39995856), (18, 35551872), (24, 26663904), (27, 23701248), (32, 19997928), (36, 17775936), (48, 13331952), (54, 11850624), (64, 9998964), (72, 8887968), (81, 7900416), (96, 6665976), (108, 5925312), (127, 5038848), (128, 4999482), (144, 4443984), (162, 3950208), (192, 3332988), (216, 2962656), (243, 2633472), (254, 2519424), (256, 2499741), (288, 2221992), (324, 1975104), (381, 1679616), (384, 1666494), (432, 1481328), (486, 1316736), (508, 1259712), (576, 1110996), (648, 987552), (729, 877824), (762, 839808), (768, 833247), (864, 740664), (972, 658368), (1016, 629856), (1143, 559872), (1152, 555498), (1296, 493776), (1458, 438912), (1524, 419904), (1728, 370332), (1944, 329184), (2032, 314928), (2187, 292608), (2286, 279936), (2304, 277749), (2592, 246888), (2916, 219456), (3048, 209952), (3429, 186624), (3456, 185166), (3888, 164592), (4064, 157464), (4374, 146304), (4572, 139968), (5184, 123444), (5832, 109728), (6096, 104976), (6561, 97536), (6858, 93312), (6912, 92583), (7776, 82296), (8128, 78732), (8748, 73152), (9144, 69984), (10287, 62208), (10368, 61722), (11664, 54864), (12192, 52488), (13122, 48768), (13716, 46656), (15552, 41148), (16256, 39366), (17496, 36576), (18288, 34992), (19683, 32512), (20574, 31104), (20736, 30861), (23328, 27432), (24384, 26244)]