639465984

素因数分解:

$2^9\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1998

約数の個数: 120

約数和(自身を含む): 1871807652

約数和(自身を除く): 1232341668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 73, 96, 128, 144, 146, 192, 219, 256, 288, 292, 384, 438, 512, 576, 584, 657, 768, 876, 1152, 1168, 1314, 1536, 1752, 1901, 2304, 2336, 2628, 3504, 3802, 4608, 4672, 5256, 5703, 7008, 7604, 9344, 10512, 11406, 14016, 15208, 17109, 18688, 21024, 22812, 28032, 30416, 34218, 37376, 42048, 45624, 56064, 60832, 68436, 84096, 91248, 112128, 121664, 136872, 138773, 168192, 182496, 243328, 273744, 277546, 336384, 364992, 416319, 486656, 547488, 555092, 729984, 832638, 973312, 1094976, 1110184, 1248957, 1459968, 1665276, 2189952, 2220368, 2497914, 2919936, 3330552, 4379904, 4440736, 4995828, 6661104, 8759808, 8881472, 9991656, 13322208, 17762944, 19983312, 26644416, 35525888, 39966624, 53288832, 71051776, 79933248, 106577664, 159866496, 213155328, 319732992, 639465984]

約数ペア:

[(1, 639465984), (2, 319732992), (3, 213155328), (4, 159866496), (6, 106577664), (8, 79933248), (9, 71051776), (12, 53288832), (16, 39966624), (18, 35525888), (24, 26644416), (32, 19983312), (36, 17762944), (48, 13322208), (64, 9991656), (72, 8881472), (73, 8759808), (96, 6661104), (128, 4995828), (144, 4440736), (146, 4379904), (192, 3330552), (219, 2919936), (256, 2497914), (288, 2220368), (292, 2189952), (384, 1665276), (438, 1459968), (512, 1248957), (576, 1110184), (584, 1094976), (657, 973312), (768, 832638), (876, 729984), (1152, 555092), (1168, 547488), (1314, 486656), (1536, 416319), (1752, 364992), (1901, 336384), (2304, 277546), (2336, 273744), (2628, 243328), (3504, 182496), (3802, 168192), (4608, 138773), (4672, 136872), (5256, 121664), (5703, 112128), (7008, 91248), (7604, 84096), (9344, 68436), (10512, 60832), (11406, 56064), (14016, 45624), (15208, 42048), (17109, 37376), (18688, 34218), (21024, 30416), (22812, 28032)]