261639168

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{23}}^3$

素因数の和:99

約数の個数: 176

約数和(自身を含む): 833210880

約数和(自身を除く): 571571712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 256, 276, 322, 336, 368, 384, 448, 483, 512, 529, 552, 644, 672, 736, 768, 896, 966, 1024, 1058, 1104, 1288, 1344, 1472, 1536, 1587, 1792, 1932, 2116, 2208, 2576, 2688, 2944, 3072, 3174, 3584, 3703, 3864, 4232, 4416, 5152, 5376, 5888, 6348, 7168, 7406, 7728, 8464, 8832, 10304, 10752, 11109, 11776, 12167, 12696, 14812, 15456, 16928, 17664, 20608, 21504, 22218, 23552, 24334, 25392, 29624, 30912, 33856, 35328, 36501, 41216, 44436, 48668, 50784, 59248, 61824, 67712, 70656, 73002, 82432, 85169, 88872, 97336, 101568, 118496, 123648, 135424, 146004, 164864, 170338, 177744, 194672, 203136, 236992, 247296, 255507, 270848, 292008, 340676, 355488, 389344, 406272, 473984, 494592, 511014, 541696, 584016, 681352, 710976, 778688, 812544, 947968, 1022028, 1168032, 1362704, 1421952, 1557376, 1625088, 1895936, 2044056, 2336064, 2725408, 2843904, 3114752, 3791872, 4088112, 4672128, 5450816, 5687808, 6229504, 8176224, 9344256, 10901632, 11375616, 12459008, 16352448, 18688512, 21803264, 32704896, 37377024, 43606528, 65409792, 87213056, 130819584, 261639168]

約数ペア:

[(1, 261639168), (2, 130819584), (3, 87213056), (4, 65409792), (6, 43606528), (7, 37377024), (8, 32704896), (12, 21803264), (14, 18688512), (16, 16352448), (21, 12459008), (23, 11375616), (24, 10901632), (28, 9344256), (32, 8176224), (42, 6229504), (46, 5687808), (48, 5450816), (56, 4672128), (64, 4088112), (69, 3791872), (84, 3114752), (92, 2843904), (96, 2725408), (112, 2336064), (128, 2044056), (138, 1895936), (161, 1625088), (168, 1557376), (184, 1421952), (192, 1362704), (224, 1168032), (256, 1022028), (276, 947968), (322, 812544), (336, 778688), (368, 710976), (384, 681352), (448, 584016), (483, 541696), (512, 511014), (529, 494592), (552, 473984), (644, 406272), (672, 389344), (736, 355488), (768, 340676), (896, 292008), (966, 270848), (1024, 255507), (1058, 247296), (1104, 236992), (1288, 203136), (1344, 194672), (1472, 177744), (1536, 170338), (1587, 164864), (1792, 146004), (1932, 135424), (2116, 123648), (2208, 118496), (2576, 101568), (2688, 97336), (2944, 88872), (3072, 85169), (3174, 82432), (3584, 73002), (3703, 70656), (3864, 67712), (4232, 61824), (4416, 59248), (5152, 50784), (5376, 48668), (5888, 44436), (6348, 41216), (7168, 36501), (7406, 35328), (7728, 33856), (8464, 30912), (8832, 29624), (10304, 25392), (10752, 24334), (11109, 23552), (11776, 22218), (12167, 21504), (12696, 20608), (14812, 17664), (15456, 16928)]