668647728

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:712

約数の個数: 180

約数和(自身を含む): 2192536008

約数和(自身を除く): 1523888280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 193, 196, 252, 294, 336, 386, 392, 441, 491, 504, 579, 588, 772, 784, 882, 982, 1008, 1158, 1176, 1351, 1473, 1544, 1737, 1764, 1964, 2316, 2352, 2702, 2946, 3088, 3437, 3474, 3528, 3928, 4053, 4419, 4632, 5404, 5892, 6874, 6948, 7056, 7856, 8106, 8838, 9264, 9457, 10311, 10808, 11784, 12159, 13748, 13896, 16212, 17676, 18914, 20622, 21616, 23568, 24059, 24318, 27496, 27792, 28371, 30933, 32424, 35352, 37828, 41244, 48118, 48636, 54992, 56742, 61866, 64848, 70704, 72177, 75656, 82488, 85113, 94763, 96236, 97272, 113484, 123732, 144354, 151312, 164976, 170226, 189526, 192472, 194544, 216531, 226968, 247464, 284289, 288708, 340452, 379052, 384944, 433062, 453936, 494928, 568578, 577416, 663341, 680904, 758104, 852867, 866124, 1137156, 1154832, 1326682, 1361808, 1516208, 1705734, 1732248, 1990023, 2274312, 2653364, 3411468, 3464496, 3980046, 4548624, 4643387, 5306728, 5970069, 6822936, 7960092, 9286774, 10613456, 11940138, 13645872, 13930161, 15920184, 18573548, 23880276, 27860322, 31840368, 37147096, 41790483, 47760552, 55720644, 74294192, 83580966, 95521104, 111441288, 167161932, 222882576, 334323864, 668647728]

約数ペア:

[(1, 668647728), (2, 334323864), (3, 222882576), (4, 167161932), (6, 111441288), (7, 95521104), (8, 83580966), (9, 74294192), (12, 55720644), (14, 47760552), (16, 41790483), (18, 37147096), (21, 31840368), (24, 27860322), (28, 23880276), (36, 18573548), (42, 15920184), (48, 13930161), (49, 13645872), (56, 11940138), (63, 10613456), (72, 9286774), (84, 7960092), (98, 6822936), (112, 5970069), (126, 5306728), (144, 4643387), (147, 4548624), (168, 3980046), (193, 3464496), (196, 3411468), (252, 2653364), (294, 2274312), (336, 1990023), (386, 1732248), (392, 1705734), (441, 1516208), (491, 1361808), (504, 1326682), (579, 1154832), (588, 1137156), (772, 866124), (784, 852867), (882, 758104), (982, 680904), (1008, 663341), (1158, 577416), (1176, 568578), (1351, 494928), (1473, 453936), (1544, 433062), (1737, 384944), (1764, 379052), (1964, 340452), (2316, 288708), (2352, 284289), (2702, 247464), (2946, 226968), (3088, 216531), (3437, 194544), (3474, 192472), (3528, 189526), (3928, 170226), (4053, 164976), (4419, 151312), (4632, 144354), (5404, 123732), (5892, 113484), (6874, 97272), (6948, 96236), (7056, 94763), (7856, 85113), (8106, 82488), (8838, 75656), (9264, 72177), (9457, 70704), (10311, 64848), (10808, 61866), (11784, 56742), (12159, 54992), (13748, 48636), (13896, 48118), (16212, 41244), (17676, 37828), (18914, 35352), (20622, 32424), (21616, 30933), (23568, 28371), (24059, 27792), (24318, 27496)]