257481504

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 240

約数和(自身を含む): 904514688

約数和(自身を除く): 647033184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 54, 56, 63, 69, 72, 81, 84, 92, 96, 108, 112, 126, 138, 144, 161, 162, 168, 184, 189, 207, 216, 224, 252, 276, 288, 322, 324, 336, 368, 378, 414, 432, 483, 504, 552, 567, 617, 621, 644, 648, 672, 736, 756, 828, 864, 966, 1008, 1104, 1134, 1234, 1242, 1288, 1296, 1449, 1512, 1656, 1851, 1863, 1932, 2016, 2208, 2268, 2468, 2484, 2576, 2592, 2898, 3024, 3312, 3702, 3726, 3864, 4319, 4347, 4536, 4936, 4968, 5152, 5553, 5796, 6048, 6624, 7404, 7452, 7728, 8638, 8694, 9072, 9872, 9936, 11106, 11592, 12957, 13041, 14191, 14808, 14904, 15456, 16659, 17276, 17388, 18144, 19744, 19872, 22212, 23184, 25914, 26082, 28382, 29616, 29808, 33318, 34552, 34776, 38871, 42573, 44424, 46368, 49977, 51828, 52164, 56764, 59232, 59616, 66636, 69104, 69552, 77742, 85146, 88848, 99337, 99954, 103656, 104328, 113528, 116613, 127719, 133272, 138208, 139104, 155484, 170292, 177696, 198674, 199908, 207312, 208656, 227056, 233226, 255438, 266544, 298011, 310968, 340584, 349839, 383157, 397348, 399816, 414624, 417312, 454112, 466452, 510876, 533088, 596022, 621936, 681168, 699678, 766314, 794696, 799632, 894033, 932904, 1021752, 1149471, 1192044, 1243872, 1362336, 1399356, 1532628, 1589392, 1599264, 1788066, 1865808, 2043504, 2298942, 2384088, 2682099, 2798712, 3065256, 3178784, 3576132, 3731616, 4087008, 4597884, 4768176, 5364198, 5597424, 6130512, 7152264, 8046297, 9195768, 9536352, 10728396, 11194848, 12261024, 14304528, 16092594, 18391536, 21456792, 28609056, 32185188, 36783072, 42913584, 64370376, 85827168, 128740752, 257481504]

約数ペア:

[(1, 257481504), (2, 128740752), (3, 85827168), (4, 64370376), (6, 42913584), (7, 36783072), (8, 32185188), (9, 28609056), (12, 21456792), (14, 18391536), (16, 16092594), (18, 14304528), (21, 12261024), (23, 11194848), (24, 10728396), (27, 9536352), (28, 9195768), (32, 8046297), (36, 7152264), (42, 6130512), (46, 5597424), (48, 5364198), (54, 4768176), (56, 4597884), (63, 4087008), (69, 3731616), (72, 3576132), (81, 3178784), (84, 3065256), (92, 2798712), (96, 2682099), (108, 2384088), (112, 2298942), (126, 2043504), (138, 1865808), (144, 1788066), (161, 1599264), (162, 1589392), (168, 1532628), (184, 1399356), (189, 1362336), (207, 1243872), (216, 1192044), (224, 1149471), (252, 1021752), (276, 932904), (288, 894033), (322, 799632), (324, 794696), (336, 766314), (368, 699678), (378, 681168), (414, 621936), (432, 596022), (483, 533088), (504, 510876), (552, 466452), (567, 454112), (617, 417312), (621, 414624), (644, 399816), (648, 397348), (672, 383157), (736, 349839), (756, 340584), (828, 310968), (864, 298011), (966, 266544), (1008, 255438), (1104, 233226), (1134, 227056), (1234, 208656), (1242, 207312), (1288, 199908), (1296, 198674), (1449, 177696), (1512, 170292), (1656, 155484), (1851, 139104), (1863, 138208), (1932, 133272), (2016, 127719), (2208, 116613), (2268, 113528), (2468, 104328), (2484, 103656), (2576, 99954), (2592, 99337), (2898, 88848), (3024, 85146), (3312, 77742), (3702, 69552), (3726, 69104), (3864, 66636), (4319, 59616), (4347, 59232), (4536, 56764), (4936, 52164), (4968, 51828), (5152, 49977), (5553, 46368), (5796, 44424), (6048, 42573), (6624, 38871), (7404, 34776), (7452, 34552), (7728, 33318), (8638, 29808), (8694, 29616), (9072, 28382), (9872, 26082), (9936, 25914), (11106, 23184), (11592, 22212), (12957, 19872), (13041, 19744), (14191, 18144), (14808, 17388), (14904, 17276), (15456, 16659)]