644255136

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 216

約数和(自身を含む): 2164597344

約数和(自身を除く): 1520342208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 71, 72, 84, 96, 98, 112, 126, 142, 144, 147, 168, 196, 213, 224, 252, 284, 288, 294, 336, 392, 426, 441, 497, 504, 568, 588, 639, 643, 672, 784, 852, 882, 994, 1008, 1136, 1176, 1278, 1286, 1491, 1568, 1704, 1764, 1929, 1988, 2016, 2272, 2352, 2556, 2572, 2982, 3408, 3479, 3528, 3858, 3976, 4473, 4501, 4704, 5112, 5144, 5787, 5964, 6816, 6958, 7056, 7716, 7952, 8946, 9002, 10224, 10288, 10437, 11574, 11928, 13503, 13916, 14112, 15432, 15904, 17892, 18004, 20448, 20576, 20874, 23148, 23856, 27006, 27832, 30864, 31311, 31507, 35784, 36008, 40509, 41748, 45653, 46296, 47712, 54012, 55664, 61728, 62622, 63014, 71568, 72016, 81018, 83496, 91306, 92592, 94521, 108024, 111328, 125244, 126028, 136959, 143136, 144032, 162036, 166992, 182612, 185184, 189042, 216048, 250488, 252056, 273918, 283563, 319571, 324072, 333984, 365224, 378084, 410877, 432096, 500976, 504112, 547836, 567126, 639142, 648144, 730448, 756168, 821754, 958713, 1001952, 1008224, 1095672, 1134252, 1278284, 1296288, 1460896, 1512336, 1643508, 1917426, 2191344, 2236997, 2268504, 2556568, 2876139, 3024672, 3287016, 3834852, 4382688, 4473994, 4537008, 5113136, 5752278, 6574032, 6710991, 7669704, 8947988, 9074016, 10226272, 11504556, 13148064, 13421982, 15339408, 17895976, 20132973, 23009112, 26843964, 30678816, 35791952, 40265946, 46018224, 53687928, 71583904, 80531892, 92036448, 107375856, 161063784, 214751712, 322127568, 644255136]

約数ペア:

[(1, 644255136), (2, 322127568), (3, 214751712), (4, 161063784), (6, 107375856), (7, 92036448), (8, 80531892), (9, 71583904), (12, 53687928), (14, 46018224), (16, 40265946), (18, 35791952), (21, 30678816), (24, 26843964), (28, 23009112), (32, 20132973), (36, 17895976), (42, 15339408), (48, 13421982), (49, 13148064), (56, 11504556), (63, 10226272), (71, 9074016), (72, 8947988), (84, 7669704), (96, 6710991), (98, 6574032), (112, 5752278), (126, 5113136), (142, 4537008), (144, 4473994), (147, 4382688), (168, 3834852), (196, 3287016), (213, 3024672), (224, 2876139), (252, 2556568), (284, 2268504), (288, 2236997), (294, 2191344), (336, 1917426), (392, 1643508), (426, 1512336), (441, 1460896), (497, 1296288), (504, 1278284), (568, 1134252), (588, 1095672), (639, 1008224), (643, 1001952), (672, 958713), (784, 821754), (852, 756168), (882, 730448), (994, 648144), (1008, 639142), (1136, 567126), (1176, 547836), (1278, 504112), (1286, 500976), (1491, 432096), (1568, 410877), (1704, 378084), (1764, 365224), (1929, 333984), (1988, 324072), (2016, 319571), (2272, 283563), (2352, 273918), (2556, 252056), (2572, 250488), (2982, 216048), (3408, 189042), (3479, 185184), (3528, 182612), (3858, 166992), (3976, 162036), (4473, 144032), (4501, 143136), (4704, 136959), (5112, 126028), (5144, 125244), (5787, 111328), (5964, 108024), (6816, 94521), (6958, 92592), (7056, 91306), (7716, 83496), (7952, 81018), (8946, 72016), (9002, 71568), (10224, 63014), (10288, 62622), (10437, 61728), (11574, 55664), (11928, 54012), (13503, 47712), (13916, 46296), (14112, 45653), (15432, 41748), (15904, 40509), (17892, 36008), (18004, 35784), (20448, 31507), (20576, 31311), (20874, 30864), (23148, 27832), (23856, 27006)]