1904455680

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 208

約数和(自身を含む): 6164874240

約数和(自身を除く): 4260418560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 223, 240, 256, 278, 320, 384, 417, 446, 480, 512, 556, 640, 669, 695, 768, 834, 892, 960, 1024, 1112, 1115, 1280, 1338, 1390, 1536, 1668, 1784, 1920, 2048, 2085, 2224, 2230, 2560, 2676, 2780, 3072, 3336, 3345, 3568, 3840, 4096, 4170, 4448, 4460, 5120, 5352, 5560, 6144, 6672, 6690, 7136, 7680, 8340, 8896, 8920, 10240, 10704, 11120, 12288, 13344, 13380, 14272, 15360, 16680, 17792, 17840, 20480, 21408, 22240, 26688, 26760, 28544, 30720, 30997, 33360, 35584, 35680, 42816, 44480, 53376, 53520, 57088, 61440, 61994, 66720, 71168, 71360, 85632, 88960, 92991, 106752, 107040, 114176, 123988, 133440, 142336, 142720, 154985, 171264, 177920, 185982, 213504, 214080, 228352, 247976, 266880, 284672, 285440, 309970, 342528, 355840, 371964, 427008, 428160, 456704, 464955, 495952, 533760, 569344, 570880, 619940, 685056, 711680, 743928, 854016, 856320, 913408, 929910, 991904, 1067520, 1141760, 1239880, 1370112, 1423360, 1487856, 1708032, 1712640, 1859820, 1983808, 2135040, 2283520, 2479760, 2740224, 2846720, 2975712, 3425280, 3719640, 3967616, 4270080, 4567040, 4959520, 5951424, 6850560, 7439280, 7935232, 8540160, 9919040, 11902848, 13701120, 14878560, 15870464, 19838080, 23805696, 29757120, 31740928, 39676160, 47611392, 59514240, 63481856, 79352320, 95222784, 119028480, 126963712, 158704640, 190445568, 238056960, 317409280, 380891136, 476113920, 634818560, 952227840, 1904455680]

約数ペア:

[(1, 1904455680), (2, 952227840), (3, 634818560), (4, 476113920), (5, 380891136), (6, 317409280), (8, 238056960), (10, 190445568), (12, 158704640), (15, 126963712), (16, 119028480), (20, 95222784), (24, 79352320), (30, 63481856), (32, 59514240), (40, 47611392), (48, 39676160), (60, 31740928), (64, 29757120), (80, 23805696), (96, 19838080), (120, 15870464), (128, 14878560), (139, 13701120), (160, 11902848), (192, 9919040), (223, 8540160), (240, 7935232), (256, 7439280), (278, 6850560), (320, 5951424), (384, 4959520), (417, 4567040), (446, 4270080), (480, 3967616), (512, 3719640), (556, 3425280), (640, 2975712), (669, 2846720), (695, 2740224), (768, 2479760), (834, 2283520), (892, 2135040), (960, 1983808), (1024, 1859820), (1112, 1712640), (1115, 1708032), (1280, 1487856), (1338, 1423360), (1390, 1370112), (1536, 1239880), (1668, 1141760), (1784, 1067520), (1920, 991904), (2048, 929910), (2085, 913408), (2224, 856320), (2230, 854016), (2560, 743928), (2676, 711680), (2780, 685056), (3072, 619940), (3336, 570880), (3345, 569344), (3568, 533760), (3840, 495952), (4096, 464955), (4170, 456704), (4448, 428160), (4460, 427008), (5120, 371964), (5352, 355840), (5560, 342528), (6144, 309970), (6672, 285440), (6690, 284672), (7136, 266880), (7680, 247976), (8340, 228352), (8896, 214080), (8920, 213504), (10240, 185982), (10704, 177920), (11120, 171264), (12288, 154985), (13344, 142720), (13380, 142336), (14272, 133440), (15360, 123988), (16680, 114176), (17792, 107040), (17840, 106752), (20480, 92991), (21408, 88960), (22240, 85632), (26688, 71360), (26760, 71168), (28544, 66720), (30720, 61994), (30997, 61440), (33360, 57088), (35584, 53520), (35680, 53376), (42816, 44480)]