256598784

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:707

約数の個数: 162

約数和(自身を含む): 802341540

約数和(自身を除く): 545742756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 256, 288, 312, 338, 384, 416, 468, 507, 576, 624, 659, 676, 768, 832, 936, 1014, 1152, 1248, 1318, 1352, 1521, 1664, 1872, 1977, 2028, 2304, 2496, 2636, 2704, 3042, 3328, 3744, 3954, 4056, 4992, 5272, 5408, 5931, 6084, 7488, 7908, 8112, 8567, 9984, 10544, 10816, 11862, 12168, 14976, 15816, 16224, 17134, 21088, 21632, 23724, 24336, 25701, 29952, 31632, 32448, 34268, 42176, 43264, 47448, 48672, 51402, 63264, 64896, 68536, 77103, 84352, 94896, 97344, 102804, 111371, 126528, 129792, 137072, 154206, 168704, 189792, 194688, 205608, 222742, 253056, 274144, 308412, 334113, 379584, 389376, 411216, 445484, 506112, 548288, 616824, 668226, 759168, 822432, 890968, 1002339, 1096576, 1233648, 1336452, 1518336, 1644864, 1781936, 2004678, 2193152, 2467296, 2672904, 3289728, 3563872, 4009356, 4934592, 5345808, 6579456, 7127744, 8018712, 9869184, 10691616, 14255488, 16037424, 19738368, 21383232, 28510976, 32074848, 42766464, 64149696, 85532928, 128299392, 256598784]

約数ペア:

[(1, 256598784), (2, 128299392), (3, 85532928), (4, 64149696), (6, 42766464), (8, 32074848), (9, 28510976), (12, 21383232), (13, 19738368), (16, 16037424), (18, 14255488), (24, 10691616), (26, 9869184), (32, 8018712), (36, 7127744), (39, 6579456), (48, 5345808), (52, 4934592), (64, 4009356), (72, 3563872), (78, 3289728), (96, 2672904), (104, 2467296), (117, 2193152), (128, 2004678), (144, 1781936), (156, 1644864), (169, 1518336), (192, 1336452), (208, 1233648), (234, 1096576), (256, 1002339), (288, 890968), (312, 822432), (338, 759168), (384, 668226), (416, 616824), (468, 548288), (507, 506112), (576, 445484), (624, 411216), (659, 389376), (676, 379584), (768, 334113), (832, 308412), (936, 274144), (1014, 253056), (1152, 222742), (1248, 205608), (1318, 194688), (1352, 189792), (1521, 168704), (1664, 154206), (1872, 137072), (1977, 129792), (2028, 126528), (2304, 111371), (2496, 102804), (2636, 97344), (2704, 94896), (3042, 84352), (3328, 77103), (3744, 68536), (3954, 64896), (4056, 63264), (4992, 51402), (5272, 48672), (5408, 47448), (5931, 43264), (6084, 42176), (7488, 34268), (7908, 32448), (8112, 31632), (8567, 29952), (9984, 25701), (10544, 24336), (10816, 23724), (11862, 21632), (12168, 21088), (14976, 17134), (15816, 16224)]