28995840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{839}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 103017600

約数和(自身を除く): 74021760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 839, 864, 960, 1080, 1152, 1280, 1440, 1678, 1728, 1920, 2160, 2304, 2517, 2880, 3356, 3456, 3840, 4195, 4320, 5034, 5760, 6712, 6912, 7551, 8390, 8640, 10068, 11520, 12585, 13424, 15102, 16780, 17280, 20136, 22653, 25170, 26848, 30204, 33560, 34560, 37755, 40272, 45306, 50340, 53696, 60408, 67120, 75510, 80544, 90612, 100680, 107392, 113265, 120816, 134240, 151020, 161088, 181224, 201360, 214784, 226530, 241632, 268480, 302040, 322176, 362448, 402720, 453060, 483264, 536960, 604080, 644352, 724896, 805440, 906120, 966528, 1073920, 1208160, 1449792, 1610880, 1812240, 1933056, 2416320, 2899584, 3221760, 3624480, 4832640, 5799168, 7248960, 9665280, 14497920, 28995840]

約数ペア:

[(1, 28995840), (2, 14497920), (3, 9665280), (4, 7248960), (5, 5799168), (6, 4832640), (8, 3624480), (9, 3221760), (10, 2899584), (12, 2416320), (15, 1933056), (16, 1812240), (18, 1610880), (20, 1449792), (24, 1208160), (27, 1073920), (30, 966528), (32, 906120), (36, 805440), (40, 724896), (45, 644352), (48, 604080), (54, 536960), (60, 483264), (64, 453060), (72, 402720), (80, 362448), (90, 322176), (96, 302040), (108, 268480), (120, 241632), (128, 226530), (135, 214784), (144, 201360), (160, 181224), (180, 161088), (192, 151020), (216, 134240), (240, 120816), (256, 113265), (270, 107392), (288, 100680), (320, 90612), (360, 80544), (384, 75510), (432, 67120), (480, 60408), (540, 53696), (576, 50340), (640, 45306), (720, 40272), (768, 37755), (839, 34560), (864, 33560), (960, 30204), (1080, 26848), (1152, 25170), (1280, 22653), (1440, 20136), (1678, 17280), (1728, 16780), (1920, 15102), (2160, 13424), (2304, 12585), (2517, 11520), (2880, 10068), (3356, 8640), (3456, 8390), (3840, 7551), (4195, 6912), (4320, 6712), (5034, 5760)]