642708864

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 256

約数和(自身を含む): 2240409600

約数和(自身を除く): 1597700736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 84, 93, 96, 108, 112, 124, 126, 128, 144, 168, 186, 189, 192, 216, 217, 224, 248, 252, 279, 288, 336, 372, 378, 384, 432, 434, 448, 496, 504, 558, 576, 651, 672, 744, 756, 837, 857, 864, 868, 896, 992, 1008, 1116, 1152, 1302, 1344, 1488, 1512, 1674, 1714, 1728, 1736, 1953, 1984, 2016, 2232, 2571, 2604, 2688, 2976, 3024, 3348, 3428, 3456, 3472, 3906, 3968, 4032, 4464, 5142, 5208, 5859, 5952, 5999, 6048, 6696, 6856, 6944, 7713, 7812, 8064, 8928, 10284, 10416, 11718, 11904, 11998, 12096, 13392, 13712, 13888, 15426, 15624, 17856, 17997, 20568, 20832, 23139, 23436, 23996, 24192, 26567, 26784, 27424, 27776, 30852, 31248, 35712, 35994, 41136, 41664, 46278, 46872, 47992, 53134, 53568, 53991, 54848, 61704, 62496, 71988, 79701, 82272, 83328, 92556, 93744, 95984, 106268, 107136, 107982, 109696, 123408, 124992, 143976, 159402, 161973, 164544, 185112, 185969, 187488, 191968, 212536, 215964, 239103, 246816, 249984, 287952, 318804, 323946, 329088, 370224, 371938, 374976, 383936, 425072, 431928, 478206, 493632, 557907, 575904, 637608, 647892, 717309, 740448, 743876, 749952, 767872, 850144, 863856, 956412, 987264, 1115814, 1151808, 1275216, 1295784, 1434618, 1480896, 1487752, 1673721, 1700288, 1727712, 1912824, 2231628, 2303616, 2550432, 2591568, 2869236, 2961792, 2975504, 3347442, 3400576, 3455424, 3825648, 4463256, 5021163, 5100864, 5183136, 5738472, 5951008, 6694884, 6910848, 7651296, 8926512, 10042326, 10201728, 10366272, 11476944, 11902016, 13389768, 15302592, 17853024, 20084652, 20732544, 22953888, 23804032, 26779536, 30605184, 35706048, 40169304, 45907776, 53559072, 71412096, 80338608, 91815552, 107118144, 160677216, 214236288, 321354432, 642708864]

約数ペア:

[(1, 642708864), (2, 321354432), (3, 214236288), (4, 160677216), (6, 107118144), (7, 91815552), (8, 80338608), (9, 71412096), (12, 53559072), (14, 45907776), (16, 40169304), (18, 35706048), (21, 30605184), (24, 26779536), (27, 23804032), (28, 22953888), (31, 20732544), (32, 20084652), (36, 17853024), (42, 15302592), (48, 13389768), (54, 11902016), (56, 11476944), (62, 10366272), (63, 10201728), (64, 10042326), (72, 8926512), (84, 7651296), (93, 6910848), (96, 6694884), (108, 5951008), (112, 5738472), (124, 5183136), (126, 5100864), (128, 5021163), (144, 4463256), (168, 3825648), (186, 3455424), (189, 3400576), (192, 3347442), (216, 2975504), (217, 2961792), (224, 2869236), (248, 2591568), (252, 2550432), (279, 2303616), (288, 2231628), (336, 1912824), (372, 1727712), (378, 1700288), (384, 1673721), (432, 1487752), (434, 1480896), (448, 1434618), (496, 1295784), (504, 1275216), (558, 1151808), (576, 1115814), (651, 987264), (672, 956412), (744, 863856), (756, 850144), (837, 767872), (857, 749952), (864, 743876), (868, 740448), (896, 717309), (992, 647892), (1008, 637608), (1116, 575904), (1152, 557907), (1302, 493632), (1344, 478206), (1488, 431928), (1512, 425072), (1674, 383936), (1714, 374976), (1728, 371938), (1736, 370224), (1953, 329088), (1984, 323946), (2016, 318804), (2232, 287952), (2571, 249984), (2604, 246816), (2688, 239103), (2976, 215964), (3024, 212536), (3348, 191968), (3428, 187488), (3456, 185969), (3472, 185112), (3906, 164544), (3968, 161973), (4032, 159402), (4464, 143976), (5142, 124992), (5208, 123408), (5859, 109696), (5952, 107982), (5999, 107136), (6048, 106268), (6696, 95984), (6856, 93744), (6944, 92556), (7713, 83328), (7812, 82272), (8064, 79701), (8928, 71988), (10284, 62496), (10416, 61704), (11718, 54848), (11904, 53991), (11998, 53568), (12096, 53134), (13392, 47992), (13712, 46872), (13888, 46278), (15426, 41664), (15624, 41136), (17856, 35994), (17997, 35712), (20568, 31248), (20832, 30852), (23139, 27776), (23436, 27424), (23996, 26784), (24192, 26567)]