81782784

素因数分解:

$2^{11}\times 3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 240

約数和(自身を含む): 267567300

約数和(自身を除く): 185784516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 29, 32, 34, 36, 48, 51, 54, 58, 64, 68, 72, 81, 87, 96, 102, 108, 116, 128, 136, 144, 153, 162, 174, 192, 204, 216, 232, 256, 261, 272, 288, 306, 324, 348, 384, 408, 432, 459, 464, 493, 512, 522, 544, 576, 612, 648, 696, 768, 783, 816, 864, 918, 928, 986, 1024, 1044, 1088, 1152, 1224, 1296, 1377, 1392, 1479, 1536, 1566, 1632, 1728, 1836, 1856, 1972, 2048, 2088, 2176, 2304, 2349, 2448, 2592, 2754, 2784, 2958, 3072, 3132, 3264, 3456, 3672, 3712, 3944, 4176, 4352, 4437, 4608, 4698, 4896, 5184, 5508, 5568, 5916, 6144, 6264, 6528, 6912, 7344, 7424, 7888, 8352, 8704, 8874, 9216, 9396, 9792, 10368, 11016, 11136, 11832, 12528, 13056, 13311, 13824, 14688, 14848, 15776, 16704, 17408, 17748, 18432, 18792, 19584, 20736, 22032, 22272, 23664, 25056, 26112, 26622, 27648, 29376, 29696, 31552, 33408, 34816, 35496, 37584, 39168, 39933, 41472, 44064, 44544, 47328, 50112, 52224, 53244, 55296, 58752, 59392, 63104, 66816, 70992, 75168, 78336, 79866, 82944, 88128, 89088, 94656, 100224, 104448, 106488, 117504, 126208, 133632, 141984, 150336, 156672, 159732, 165888, 176256, 178176, 189312, 200448, 212976, 235008, 252416, 267264, 283968, 300672, 313344, 319464, 352512, 378624, 400896, 425952, 470016, 504832, 534528, 567936, 601344, 638928, 705024, 757248, 801792, 851904, 940032, 1009664, 1135872, 1202688, 1277856, 1410048, 1514496, 1603584, 1703808, 2271744, 2405376, 2555712, 2820096, 3028992, 3407616, 4543488, 4810752, 5111424, 6815232, 9086976, 10222848, 13630464, 20445696, 27260928, 40891392, 81782784]

約数ペア:

[(1, 81782784), (2, 40891392), (3, 27260928), (4, 20445696), (6, 13630464), (8, 10222848), (9, 9086976), (12, 6815232), (16, 5111424), (17, 4810752), (18, 4543488), (24, 3407616), (27, 3028992), (29, 2820096), (32, 2555712), (34, 2405376), (36, 2271744), (48, 1703808), (51, 1603584), (54, 1514496), (58, 1410048), (64, 1277856), (68, 1202688), (72, 1135872), (81, 1009664), (87, 940032), (96, 851904), (102, 801792), (108, 757248), (116, 705024), (128, 638928), (136, 601344), (144, 567936), (153, 534528), (162, 504832), (174, 470016), (192, 425952), (204, 400896), (216, 378624), (232, 352512), (256, 319464), (261, 313344), (272, 300672), (288, 283968), (306, 267264), (324, 252416), (348, 235008), (384, 212976), (408, 200448), (432, 189312), (459, 178176), (464, 176256), (493, 165888), (512, 159732), (522, 156672), (544, 150336), (576, 141984), (612, 133632), (648, 126208), (696, 117504), (768, 106488), (783, 104448), (816, 100224), (864, 94656), (918, 89088), (928, 88128), (986, 82944), (1024, 79866), (1044, 78336), (1088, 75168), (1152, 70992), (1224, 66816), (1296, 63104), (1377, 59392), (1392, 58752), (1479, 55296), (1536, 53244), (1566, 52224), (1632, 50112), (1728, 47328), (1836, 44544), (1856, 44064), (1972, 41472), (2048, 39933), (2088, 39168), (2176, 37584), (2304, 35496), (2349, 34816), (2448, 33408), (2592, 31552), (2754, 29696), (2784, 29376), (2958, 27648), (3072, 26622), (3132, 26112), (3264, 25056), (3456, 23664), (3672, 22272), (3712, 22032), (3944, 20736), (4176, 19584), (4352, 18792), (4437, 18432), (4608, 17748), (4698, 17408), (4896, 16704), (5184, 15776), (5508, 14848), (5568, 14688), (5916, 13824), (6144, 13311), (6264, 13056), (6528, 12528), (6912, 11832), (7344, 11136), (7424, 11016), (7888, 10368), (8352, 9792), (8704, 9396), (8874, 9216)]