81559296

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 216

約数和(自身を含む): 290166240

約数和(自身を除く): 208606944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 389, 416, 448, 468, 504, 546, 576, 624, 672, 728, 768, 778, 819, 832, 896, 936, 1008, 1092, 1152, 1167, 1248, 1344, 1456, 1556, 1638, 1664, 1792, 1872, 2016, 2184, 2304, 2334, 2496, 2688, 2723, 2912, 3112, 3276, 3328, 3501, 3744, 4032, 4368, 4668, 4992, 5057, 5376, 5446, 5824, 6224, 6552, 7002, 7488, 8064, 8169, 8736, 9336, 9984, 10114, 10892, 11648, 12448, 13104, 14004, 14976, 15171, 16128, 16338, 17472, 18672, 20228, 21784, 23296, 24507, 24896, 26208, 28008, 29952, 30342, 32676, 34944, 35399, 37344, 40456, 43568, 45513, 49014, 49792, 52416, 56016, 60684, 65352, 69888, 70798, 74688, 80912, 87136, 91026, 98028, 99584, 104832, 106197, 112032, 121368, 130704, 141596, 149376, 161824, 174272, 182052, 196056, 209664, 212394, 224064, 242736, 261408, 283192, 298752, 318591, 323648, 348544, 364104, 392112, 424788, 448128, 485472, 522816, 566384, 637182, 647296, 697088, 728208, 784224, 849576, 896256, 970944, 1045632, 1132768, 1274364, 1294592, 1456416, 1568448, 1699152, 1941888, 2091264, 2265536, 2548728, 2912832, 3136896, 3398304, 3883776, 4531072, 5097456, 5825664, 6273792, 6796608, 9062144, 10194912, 11651328, 13593216, 20389824, 27186432, 40779648, 81559296]

約数ペア:

[(1, 81559296), (2, 40779648), (3, 27186432), (4, 20389824), (6, 13593216), (7, 11651328), (8, 10194912), (9, 9062144), (12, 6796608), (13, 6273792), (14, 5825664), (16, 5097456), (18, 4531072), (21, 3883776), (24, 3398304), (26, 3136896), (28, 2912832), (32, 2548728), (36, 2265536), (39, 2091264), (42, 1941888), (48, 1699152), (52, 1568448), (56, 1456416), (63, 1294592), (64, 1274364), (72, 1132768), (78, 1045632), (84, 970944), (91, 896256), (96, 849576), (104, 784224), (112, 728208), (117, 697088), (126, 647296), (128, 637182), (144, 566384), (156, 522816), (168, 485472), (182, 448128), (192, 424788), (208, 392112), (224, 364104), (234, 348544), (252, 323648), (256, 318591), (273, 298752), (288, 283192), (312, 261408), (336, 242736), (364, 224064), (384, 212394), (389, 209664), (416, 196056), (448, 182052), (468, 174272), (504, 161824), (546, 149376), (576, 141596), (624, 130704), (672, 121368), (728, 112032), (768, 106197), (778, 104832), (819, 99584), (832, 98028), (896, 91026), (936, 87136), (1008, 80912), (1092, 74688), (1152, 70798), (1167, 69888), (1248, 65352), (1344, 60684), (1456, 56016), (1556, 52416), (1638, 49792), (1664, 49014), (1792, 45513), (1872, 43568), (2016, 40456), (2184, 37344), (2304, 35399), (2334, 34944), (2496, 32676), (2688, 30342), (2723, 29952), (2912, 28008), (3112, 26208), (3276, 24896), (3328, 24507), (3501, 23296), (3744, 21784), (4032, 20228), (4368, 18672), (4668, 17472), (4992, 16338), (5057, 16128), (5376, 15171), (5446, 14976), (5824, 14004), (6224, 13104), (6552, 12448), (7002, 11648), (7488, 10892), (8064, 10114), (8169, 9984), (8736, 9336)]