256256784

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:675

約数の個数: 200

約数和(自身を含む): 867111168

約数和(自身を除く): 610854384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 54, 56, 63, 72, 81, 84, 94, 108, 112, 126, 141, 144, 162, 168, 188, 189, 216, 252, 282, 324, 329, 336, 376, 378, 423, 432, 504, 564, 567, 601, 648, 658, 752, 756, 846, 987, 1008, 1128, 1134, 1202, 1269, 1296, 1316, 1512, 1692, 1803, 1974, 2256, 2268, 2404, 2538, 2632, 2961, 3024, 3384, 3606, 3807, 3948, 4207, 4536, 4808, 5076, 5264, 5409, 5922, 6768, 7212, 7614, 7896, 8414, 8883, 9072, 9616, 10152, 10818, 11844, 12621, 14424, 15228, 15792, 16227, 16828, 17766, 20304, 21636, 23688, 25242, 26649, 28247, 28848, 30456, 32454, 33656, 35532, 37863, 43272, 47376, 48681, 50484, 53298, 56494, 60912, 64908, 67312, 71064, 75726, 84741, 86544, 97362, 100968, 106596, 112988, 113589, 129816, 142128, 151452, 169482, 194724, 197729, 201936, 213192, 225976, 227178, 254223, 259632, 302904, 338964, 340767, 389448, 395458, 426384, 451952, 454356, 508446, 593187, 605808, 677928, 681534, 762669, 778896, 790916, 908712, 1016892, 1186374, 1355856, 1363068, 1525338, 1581832, 1779561, 1817424, 2033784, 2288007, 2372748, 2726136, 3050676, 3163664, 3559122, 4067568, 4576014, 4745496, 5338683, 5452272, 6101352, 7118244, 9152028, 9490992, 10677366, 12202704, 14236488, 16016049, 18304056, 21354732, 28472976, 32032098, 36608112, 42709464, 64064196, 85418928, 128128392, 256256784]

約数ペア:

[(1, 256256784), (2, 128128392), (3, 85418928), (4, 64064196), (6, 42709464), (7, 36608112), (8, 32032098), (9, 28472976), (12, 21354732), (14, 18304056), (16, 16016049), (18, 14236488), (21, 12202704), (24, 10677366), (27, 9490992), (28, 9152028), (36, 7118244), (42, 6101352), (47, 5452272), (48, 5338683), (54, 4745496), (56, 4576014), (63, 4067568), (72, 3559122), (81, 3163664), (84, 3050676), (94, 2726136), (108, 2372748), (112, 2288007), (126, 2033784), (141, 1817424), (144, 1779561), (162, 1581832), (168, 1525338), (188, 1363068), (189, 1355856), (216, 1186374), (252, 1016892), (282, 908712), (324, 790916), (329, 778896), (336, 762669), (376, 681534), (378, 677928), (423, 605808), (432, 593187), (504, 508446), (564, 454356), (567, 451952), (601, 426384), (648, 395458), (658, 389448), (752, 340767), (756, 338964), (846, 302904), (987, 259632), (1008, 254223), (1128, 227178), (1134, 225976), (1202, 213192), (1269, 201936), (1296, 197729), (1316, 194724), (1512, 169482), (1692, 151452), (1803, 142128), (1974, 129816), (2256, 113589), (2268, 112988), (2404, 106596), (2538, 100968), (2632, 97362), (2961, 86544), (3024, 84741), (3384, 75726), (3606, 71064), (3807, 67312), (3948, 64908), (4207, 60912), (4536, 56494), (4808, 53298), (5076, 50484), (5264, 48681), (5409, 47376), (5922, 43272), (6768, 37863), (7212, 35532), (7614, 33656), (7896, 32454), (8414, 30456), (8883, 28848), (9072, 28247), (9616, 26649), (10152, 25242), (10818, 23688), (11844, 21636), (12621, 20304), (14424, 17766), (15228, 16828), (15792, 16227)]