256441248

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 192

約数和(自身を含む): 864864000

約数和(自身を除く): 608422752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 109, 112, 126, 144, 168, 189, 216, 218, 224, 252, 288, 327, 336, 378, 389, 432, 436, 504, 654, 672, 756, 763, 778, 864, 872, 981, 1008, 1167, 1308, 1512, 1526, 1556, 1744, 1962, 2016, 2289, 2334, 2616, 2723, 2943, 3024, 3052, 3112, 3488, 3501, 3924, 4578, 4668, 5232, 5446, 5886, 6048, 6104, 6224, 6867, 7002, 7848, 8169, 9156, 9336, 10464, 10503, 10892, 11772, 12208, 12448, 13734, 14004, 15696, 16338, 18312, 18672, 20601, 21006, 21784, 23544, 24416, 24507, 27468, 28008, 31392, 32676, 36624, 37344, 41202, 42012, 42401, 43568, 47088, 49014, 54936, 56016, 65352, 73248, 73521, 82404, 84024, 84802, 87136, 94176, 98028, 109872, 112032, 127203, 130704, 147042, 164808, 168048, 169604, 196056, 219744, 254406, 261408, 294084, 296807, 329616, 336096, 339208, 381609, 392112, 508812, 588168, 593614, 659232, 678416, 763218, 784224, 890421, 1017624, 1144827, 1176336, 1187228, 1356832, 1526436, 1780842, 2035248, 2289654, 2352672, 2374456, 2671263, 3052872, 3561684, 4070496, 4579308, 4748912, 5342526, 6105744, 7123368, 8013789, 9158616, 9497824, 10685052, 12211488, 14246736, 16027578, 18317232, 21370104, 28493472, 32055156, 36634464, 42740208, 64110312, 85480416, 128220624, 256441248]

約数ペア:

[(1, 256441248), (2, 128220624), (3, 85480416), (4, 64110312), (6, 42740208), (7, 36634464), (8, 32055156), (9, 28493472), (12, 21370104), (14, 18317232), (16, 16027578), (18, 14246736), (21, 12211488), (24, 10685052), (27, 9497824), (28, 9158616), (32, 8013789), (36, 7123368), (42, 6105744), (48, 5342526), (54, 4748912), (56, 4579308), (63, 4070496), (72, 3561684), (84, 3052872), (96, 2671263), (108, 2374456), (109, 2352672), (112, 2289654), (126, 2035248), (144, 1780842), (168, 1526436), (189, 1356832), (216, 1187228), (218, 1176336), (224, 1144827), (252, 1017624), (288, 890421), (327, 784224), (336, 763218), (378, 678416), (389, 659232), (432, 593614), (436, 588168), (504, 508812), (654, 392112), (672, 381609), (756, 339208), (763, 336096), (778, 329616), (864, 296807), (872, 294084), (981, 261408), (1008, 254406), (1167, 219744), (1308, 196056), (1512, 169604), (1526, 168048), (1556, 164808), (1744, 147042), (1962, 130704), (2016, 127203), (2289, 112032), (2334, 109872), (2616, 98028), (2723, 94176), (2943, 87136), (3024, 84802), (3052, 84024), (3112, 82404), (3488, 73521), (3501, 73248), (3924, 65352), (4578, 56016), (4668, 54936), (5232, 49014), (5446, 47088), (5886, 43568), (6048, 42401), (6104, 42012), (6224, 41202), (6867, 37344), (7002, 36624), (7848, 32676), (8169, 31392), (9156, 28008), (9336, 27468), (10464, 24507), (10503, 24416), (10892, 23544), (11772, 21784), (12208, 21006), (12448, 20601), (13734, 18672), (14004, 18312), (15696, 16338)]