257187168

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:877

約数の個数: 144

約数和(自身を含む): 841460256

約数和(自身を除く): 584273088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 193, 224, 252, 288, 336, 386, 504, 579, 661, 672, 772, 1008, 1158, 1322, 1351, 1544, 1737, 1983, 2016, 2316, 2644, 2702, 3088, 3474, 3966, 4053, 4627, 4632, 5288, 5404, 5949, 6176, 6948, 7932, 8106, 9254, 9264, 10576, 10808, 11898, 12159, 13881, 13896, 15864, 16212, 18508, 18528, 21152, 21616, 23796, 24318, 27762, 27792, 31728, 32424, 37016, 41643, 43232, 47592, 48636, 55524, 55584, 63456, 64848, 74032, 83286, 95184, 97272, 111048, 127573, 129696, 148064, 166572, 190368, 194544, 222096, 255146, 333144, 382719, 389088, 444192, 510292, 666288, 765438, 893011, 1020584, 1148157, 1332576, 1530876, 1786022, 2041168, 2296314, 2679033, 3061752, 3572044, 4082336, 4592628, 5358066, 6123504, 7144088, 8037099, 9185256, 10716132, 12247008, 14288176, 16074198, 18370512, 21432264, 28576352, 32148396, 36741024, 42864528, 64296792, 85729056, 128593584, 257187168]

約数ペア:

[(1, 257187168), (2, 128593584), (3, 85729056), (4, 64296792), (6, 42864528), (7, 36741024), (8, 32148396), (9, 28576352), (12, 21432264), (14, 18370512), (16, 16074198), (18, 14288176), (21, 12247008), (24, 10716132), (28, 9185256), (32, 8037099), (36, 7144088), (42, 6123504), (48, 5358066), (56, 4592628), (63, 4082336), (72, 3572044), (84, 3061752), (96, 2679033), (112, 2296314), (126, 2041168), (144, 1786022), (168, 1530876), (193, 1332576), (224, 1148157), (252, 1020584), (288, 893011), (336, 765438), (386, 666288), (504, 510292), (579, 444192), (661, 389088), (672, 382719), (772, 333144), (1008, 255146), (1158, 222096), (1322, 194544), (1351, 190368), (1544, 166572), (1737, 148064), (1983, 129696), (2016, 127573), (2316, 111048), (2644, 97272), (2702, 95184), (3088, 83286), (3474, 74032), (3966, 64848), (4053, 63456), (4627, 55584), (4632, 55524), (5288, 48636), (5404, 47592), (5949, 43232), (6176, 41643), (6948, 37016), (7932, 32424), (8106, 31728), (9254, 27792), (9264, 27762), (10576, 24318), (10808, 23796), (11898, 21616), (12159, 21152), (13881, 18528), (13896, 18508), (15864, 16212)]