261638208

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 224

約数和(自身を含む): 873353600

約数和(自身を除く): 611715392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 64, 72, 76, 78, 96, 104, 108, 114, 117, 144, 152, 156, 171, 192, 208, 216, 228, 234, 247, 288, 304, 312, 342, 351, 416, 432, 456, 468, 494, 513, 576, 608, 613, 624, 684, 702, 741, 832, 864, 912, 936, 988, 1026, 1216, 1226, 1248, 1368, 1404, 1482, 1728, 1824, 1839, 1872, 1976, 2052, 2223, 2452, 2496, 2736, 2808, 2964, 3648, 3678, 3744, 3952, 4104, 4446, 4904, 5472, 5517, 5616, 5928, 6669, 7356, 7488, 7904, 7969, 8208, 8892, 9808, 10944, 11034, 11232, 11647, 11856, 13338, 14712, 15808, 15938, 16416, 16551, 17784, 19616, 22068, 22464, 23294, 23712, 23907, 26676, 29424, 31876, 32832, 33102, 34941, 35568, 39232, 44136, 46588, 47424, 47814, 53352, 58848, 63752, 66204, 69882, 71136, 71721, 88272, 93176, 95628, 104823, 106704, 117696, 127504, 132408, 139764, 142272, 143442, 151411, 176544, 186352, 191256, 209646, 213408, 215163, 255008, 264816, 279528, 286884, 302822, 314469, 353088, 372704, 382512, 419292, 426816, 430326, 454233, 510016, 529632, 559056, 573768, 605644, 628938, 745408, 765024, 838584, 860652, 908466, 1059264, 1118112, 1147536, 1211288, 1257876, 1362699, 1530048, 1677168, 1721304, 1816932, 2236224, 2295072, 2422576, 2515752, 2725398, 3354336, 3442608, 3633864, 4088097, 4590144, 4845152, 5031504, 5450796, 6708672, 6885216, 7267728, 8176194, 9690304, 10063008, 10901592, 13770432, 14535456, 16352388, 20126016, 21803184, 29070912, 32704776, 43606368, 65409552, 87212736, 130819104, 261638208]

約数ペア:

[(1, 261638208), (2, 130819104), (3, 87212736), (4, 65409552), (6, 43606368), (8, 32704776), (9, 29070912), (12, 21803184), (13, 20126016), (16, 16352388), (18, 14535456), (19, 13770432), (24, 10901592), (26, 10063008), (27, 9690304), (32, 8176194), (36, 7267728), (38, 6885216), (39, 6708672), (48, 5450796), (52, 5031504), (54, 4845152), (57, 4590144), (64, 4088097), (72, 3633864), (76, 3442608), (78, 3354336), (96, 2725398), (104, 2515752), (108, 2422576), (114, 2295072), (117, 2236224), (144, 1816932), (152, 1721304), (156, 1677168), (171, 1530048), (192, 1362699), (208, 1257876), (216, 1211288), (228, 1147536), (234, 1118112), (247, 1059264), (288, 908466), (304, 860652), (312, 838584), (342, 765024), (351, 745408), (416, 628938), (432, 605644), (456, 573768), (468, 559056), (494, 529632), (513, 510016), (576, 454233), (608, 430326), (613, 426816), (624, 419292), (684, 382512), (702, 372704), (741, 353088), (832, 314469), (864, 302822), (912, 286884), (936, 279528), (988, 264816), (1026, 255008), (1216, 215163), (1226, 213408), (1248, 209646), (1368, 191256), (1404, 186352), (1482, 176544), (1728, 151411), (1824, 143442), (1839, 142272), (1872, 139764), (1976, 132408), (2052, 127504), (2223, 117696), (2452, 106704), (2496, 104823), (2736, 95628), (2808, 93176), (2964, 88272), (3648, 71721), (3678, 71136), (3744, 69882), (3952, 66204), (4104, 63752), (4446, 58848), (4904, 53352), (5472, 47814), (5517, 47424), (5616, 46588), (5928, 44136), (6669, 39232), (7356, 35568), (7488, 34941), (7904, 33102), (7969, 32832), (8208, 31876), (8892, 29424), (9808, 26676), (10944, 23907), (11034, 23712), (11232, 23294), (11647, 22464), (11856, 22068), (13338, 19616), (14712, 17784), (15808, 16551), (15938, 16416)]