1247021568

素因数分解:

$2^9\times 3^6\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 280

約数和(自身を含む): 4038718068

約数和(自身を除く): 2791696500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 243, 256, 257, 288, 312, 324, 351, 384, 416, 432, 468, 486, 512, 514, 576, 624, 648, 702, 729, 768, 771, 832, 864, 936, 972, 1028, 1053, 1152, 1248, 1296, 1404, 1458, 1536, 1542, 1664, 1728, 1872, 1944, 2056, 2106, 2304, 2313, 2496, 2592, 2808, 2916, 3084, 3159, 3328, 3341, 3456, 3744, 3888, 4112, 4212, 4608, 4626, 4992, 5184, 5616, 5832, 6168, 6318, 6656, 6682, 6912, 6939, 7488, 7776, 8224, 8424, 9252, 9477, 9984, 10023, 10368, 11232, 11664, 12336, 12636, 13364, 13824, 13878, 14976, 15552, 16448, 16848, 18504, 18954, 19968, 20046, 20736, 20817, 22464, 23328, 24672, 25272, 26728, 27756, 29952, 30069, 31104, 32896, 33696, 37008, 37908, 40092, 41472, 41634, 44928, 46656, 49344, 50544, 53456, 55512, 59904, 60138, 62208, 62451, 65792, 67392, 74016, 75816, 80184, 83268, 89856, 90207, 93312, 98688, 101088, 106912, 111024, 120276, 124416, 124902, 131584, 134784, 148032, 151632, 160368, 166536, 179712, 180414, 186624, 187353, 197376, 202176, 213824, 222048, 240552, 249804, 269568, 270621, 296064, 303264, 320736, 333072, 360828, 373248, 374706, 394752, 404352, 427648, 444096, 481104, 499608, 539136, 541242, 592128, 606528, 641472, 666144, 721656, 749412, 808704, 811863, 855296, 888192, 962208, 999216, 1082484, 1184256, 1213056, 1282944, 1332288, 1443312, 1498824, 1617408, 1623726, 1710592, 1776384, 1924416, 1998432, 2164968, 2426112, 2435589, 2565888, 2664576, 2886624, 2997648, 3247452, 3552768, 3848832, 3996864, 4329936, 4852224, 4871178, 5131776, 5329152, 5773248, 5995296, 6494904, 7697664, 7993728, 8659872, 9742356, 10658304, 11546496, 11990592, 12989808, 15395328, 15987456, 17319744, 19484712, 23092992, 23981184, 25979616, 31974912, 34639488, 38969424, 46185984, 47962368, 51959232, 69278976, 77938848, 95924736, 103918464, 138557952, 155877696, 207836928, 311755392, 415673856, 623510784, 1247021568]

約数ペア:

[(1, 1247021568), (2, 623510784), (3, 415673856), (4, 311755392), (6, 207836928), (8, 155877696), (9, 138557952), (12, 103918464), (13, 95924736), (16, 77938848), (18, 69278976), (24, 51959232), (26, 47962368), (27, 46185984), (32, 38969424), (36, 34639488), (39, 31974912), (48, 25979616), (52, 23981184), (54, 23092992), (64, 19484712), (72, 17319744), (78, 15987456), (81, 15395328), (96, 12989808), (104, 11990592), (108, 11546496), (117, 10658304), (128, 9742356), (144, 8659872), (156, 7993728), (162, 7697664), (192, 6494904), (208, 5995296), (216, 5773248), (234, 5329152), (243, 5131776), (256, 4871178), (257, 4852224), (288, 4329936), (312, 3996864), (324, 3848832), (351, 3552768), (384, 3247452), (416, 2997648), (432, 2886624), (468, 2664576), (486, 2565888), (512, 2435589), (514, 2426112), (576, 2164968), (624, 1998432), (648, 1924416), (702, 1776384), (729, 1710592), (768, 1623726), (771, 1617408), (832, 1498824), (864, 1443312), (936, 1332288), (972, 1282944), (1028, 1213056), (1053, 1184256), (1152, 1082484), (1248, 999216), (1296, 962208), (1404, 888192), (1458, 855296), (1536, 811863), (1542, 808704), (1664, 749412), (1728, 721656), (1872, 666144), (1944, 641472), (2056, 606528), (2106, 592128), (2304, 541242), (2313, 539136), (2496, 499608), (2592, 481104), (2808, 444096), (2916, 427648), (3084, 404352), (3159, 394752), (3328, 374706), (3341, 373248), (3456, 360828), (3744, 333072), (3888, 320736), (4112, 303264), (4212, 296064), (4608, 270621), (4626, 269568), (4992, 249804), (5184, 240552), (5616, 222048), (5832, 213824), (6168, 202176), (6318, 197376), (6656, 187353), (6682, 186624), (6912, 180414), (6939, 179712), (7488, 166536), (7776, 160368), (8224, 151632), (8424, 148032), (9252, 134784), (9477, 131584), (9984, 124902), (10023, 124416), (10368, 120276), (11232, 111024), (11664, 106912), (12336, 101088), (12636, 98688), (13364, 93312), (13824, 90207), (13878, 89856), (14976, 83268), (15552, 80184), (16448, 75816), (16848, 74016), (18504, 67392), (18954, 65792), (19968, 62451), (20046, 62208), (20736, 60138), (20817, 59904), (22464, 55512), (23328, 53456), (24672, 50544), (25272, 49344), (26728, 46656), (27756, 44928), (29952, 41634), (30069, 41472), (31104, 40092), (32896, 37908), (33696, 37008)]