257617584

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 200

約数和(自身を含む): 866030880

約数和(自身を除く): 608413296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 73, 81, 84, 108, 112, 126, 144, 146, 162, 168, 189, 216, 219, 252, 292, 324, 336, 378, 389, 432, 438, 504, 511, 567, 584, 648, 657, 756, 778, 876, 1008, 1022, 1134, 1167, 1168, 1296, 1314, 1512, 1533, 1556, 1752, 1971, 2044, 2268, 2334, 2628, 2723, 3024, 3066, 3112, 3501, 3504, 3942, 4088, 4536, 4599, 4668, 5256, 5446, 5913, 6132, 6224, 7002, 7884, 8169, 8176, 9072, 9198, 9336, 10503, 10512, 10892, 11826, 12264, 13797, 14004, 15768, 16338, 18396, 18672, 21006, 21784, 23652, 24507, 24528, 27594, 28008, 28397, 31509, 31536, 32676, 36792, 41391, 42012, 43568, 47304, 49014, 55188, 56016, 56794, 63018, 65352, 73521, 73584, 82782, 84024, 85191, 94608, 98028, 110376, 113588, 126036, 130704, 147042, 165564, 168048, 170382, 196056, 198779, 220563, 220752, 227176, 252072, 255573, 294084, 331128, 340764, 392112, 397558, 441126, 454352, 504144, 511146, 588168, 596337, 662256, 681528, 766719, 795116, 882252, 1022292, 1176336, 1192674, 1363056, 1533438, 1590232, 1764504, 1789011, 2044584, 2300157, 2385348, 3066876, 3180464, 3529008, 3578022, 4089168, 4600314, 4770696, 5367033, 6133752, 7156044, 9200628, 9541392, 10734066, 12267504, 14312088, 16101099, 18401256, 21468132, 28624176, 32202198, 36802512, 42936264, 64404396, 85872528, 128808792, 257617584]

約数ペア:

[(1, 257617584), (2, 128808792), (3, 85872528), (4, 64404396), (6, 42936264), (7, 36802512), (8, 32202198), (9, 28624176), (12, 21468132), (14, 18401256), (16, 16101099), (18, 14312088), (21, 12267504), (24, 10734066), (27, 9541392), (28, 9200628), (36, 7156044), (42, 6133752), (48, 5367033), (54, 4770696), (56, 4600314), (63, 4089168), (72, 3578022), (73, 3529008), (81, 3180464), (84, 3066876), (108, 2385348), (112, 2300157), (126, 2044584), (144, 1789011), (146, 1764504), (162, 1590232), (168, 1533438), (189, 1363056), (216, 1192674), (219, 1176336), (252, 1022292), (292, 882252), (324, 795116), (336, 766719), (378, 681528), (389, 662256), (432, 596337), (438, 588168), (504, 511146), (511, 504144), (567, 454352), (584, 441126), (648, 397558), (657, 392112), (756, 340764), (778, 331128), (876, 294084), (1008, 255573), (1022, 252072), (1134, 227176), (1167, 220752), (1168, 220563), (1296, 198779), (1314, 196056), (1512, 170382), (1533, 168048), (1556, 165564), (1752, 147042), (1971, 130704), (2044, 126036), (2268, 113588), (2334, 110376), (2628, 98028), (2723, 94608), (3024, 85191), (3066, 84024), (3112, 82782), (3501, 73584), (3504, 73521), (3942, 65352), (4088, 63018), (4536, 56794), (4599, 56016), (4668, 55188), (5256, 49014), (5446, 47304), (5913, 43568), (6132, 42012), (6224, 41391), (7002, 36792), (7884, 32676), (8169, 31536), (8176, 31509), (9072, 28397), (9198, 28008), (9336, 27594), (10503, 24528), (10512, 24507), (10892, 23652), (11826, 21784), (12264, 21006), (13797, 18672), (14004, 18396), (15768, 16338)]