1906490880

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{11821}}^1$

素因数の和:11857

約数の個数: 240

約数和(自身を含む): 7546597344

約数和(自身を除く): 5640106464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 11821, 13440, 16128, 17920, 20160, 23040, 23642, 26880, 32256, 35463, 40320, 47284, 53760, 59105, 70926, 80640, 82747, 94568, 106389, 118210, 141852, 161280, 165494, 177315, 189136, 212778, 236420, 248241, 283704, 330988, 354630, 378272, 413735, 425556, 472840, 496482, 531945, 567408, 661976, 709260, 744723, 756544, 827470, 851112, 945680, 992964, 1063890, 1134816, 1241205, 1323952, 1418520, 1489446, 1513088, 1654940, 1702224, 1891360, 1985928, 2127780, 2269632, 2482410, 2647904, 2837040, 2978892, 3026176, 3309880, 3404448, 3723615, 3782720, 3971856, 4255560, 4539264, 4964820, 5295808, 5674080, 5957784, 6052352, 6619760, 6808896, 7447230, 7565440, 7943712, 8511120, 9078528, 9929640, 10591616, 11348160, 11915568, 13239520, 13617792, 14894460, 15130880, 15887424, 17022240, 18157056, 19859280, 21183232, 22696320, 23831136, 26479040, 27235584, 29788920, 30261760, 31774848, 34044480, 39718560, 42366464, 45392640, 47662272, 52958080, 54471168, 59577840, 63549696, 68088960, 79437120, 90785280, 95324544, 105916160, 119155680, 127099392, 136177920, 158874240, 190649088, 211832320, 238311360, 272355840, 317748480, 381298176, 476622720, 635496960, 953245440, 1906490880]

約数ペア:

[(1, 1906490880), (2, 953245440), (3, 635496960), (4, 476622720), (5, 381298176), (6, 317748480), (7, 272355840), (8, 238311360), (9, 211832320), (10, 190649088), (12, 158874240), (14, 136177920), (15, 127099392), (16, 119155680), (18, 105916160), (20, 95324544), (21, 90785280), (24, 79437120), (28, 68088960), (30, 63549696), (32, 59577840), (35, 54471168), (36, 52958080), (40, 47662272), (42, 45392640), (45, 42366464), (48, 39718560), (56, 34044480), (60, 31774848), (63, 30261760), (64, 29788920), (70, 27235584), (72, 26479040), (80, 23831136), (84, 22696320), (90, 21183232), (96, 19859280), (105, 18157056), (112, 17022240), (120, 15887424), (126, 15130880), (128, 14894460), (140, 13617792), (144, 13239520), (160, 11915568), (168, 11348160), (180, 10591616), (192, 9929640), (210, 9078528), (224, 8511120), (240, 7943712), (252, 7565440), (256, 7447230), (280, 6808896), (288, 6619760), (315, 6052352), (320, 5957784), (336, 5674080), (360, 5295808), (384, 4964820), (420, 4539264), (448, 4255560), (480, 3971856), (504, 3782720), (512, 3723615), (560, 3404448), (576, 3309880), (630, 3026176), (640, 2978892), (672, 2837040), (720, 2647904), (768, 2482410), (840, 2269632), (896, 2127780), (960, 1985928), (1008, 1891360), (1120, 1702224), (1152, 1654940), (1260, 1513088), (1280, 1489446), (1344, 1418520), (1440, 1323952), (1536, 1241205), (1680, 1134816), (1792, 1063890), (1920, 992964), (2016, 945680), (2240, 851112), (2304, 827470), (2520, 756544), (2560, 744723), (2688, 709260), (2880, 661976), (3360, 567408), (3584, 531945), (3840, 496482), (4032, 472840), (4480, 425556), (4608, 413735), (5040, 378272), (5376, 354630), (5760, 330988), (6720, 283704), (7680, 248241), (8064, 236420), (8960, 212778), (10080, 189136), (10752, 177315), (11520, 165494), (11821, 161280), (13440, 141852), (16128, 118210), (17920, 106389), (20160, 94568), (23040, 82747), (23642, 80640), (26880, 70926), (32256, 59105), (35463, 53760), (40320, 47284)]