51978240

素因数分解:

$2^{13}\times 3^3\times 5^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 224

約数和(自身を含む): 188732160

約数和(自身を除く): 136753920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 90, 94, 96, 108, 120, 128, 135, 141, 144, 160, 180, 188, 192, 216, 235, 240, 256, 270, 282, 288, 320, 360, 376, 384, 423, 432, 470, 480, 512, 540, 564, 576, 640, 705, 720, 752, 768, 846, 864, 940, 960, 1024, 1080, 1128, 1152, 1269, 1280, 1410, 1440, 1504, 1536, 1692, 1728, 1880, 1920, 2048, 2115, 2160, 2256, 2304, 2538, 2560, 2820, 2880, 3008, 3072, 3384, 3456, 3760, 3840, 4096, 4230, 4320, 4512, 4608, 5076, 5120, 5640, 5760, 6016, 6144, 6345, 6768, 6912, 7520, 7680, 8192, 8460, 8640, 9024, 9216, 10152, 10240, 11280, 11520, 12032, 12288, 12690, 13536, 13824, 15040, 15360, 16920, 17280, 18048, 18432, 20304, 20480, 22560, 23040, 24064, 24576, 25380, 27072, 27648, 30080, 30720, 33840, 34560, 36096, 36864, 40608, 40960, 45120, 46080, 48128, 50760, 54144, 55296, 60160, 61440, 67680, 69120, 72192, 73728, 81216, 90240, 92160, 96256, 101520, 108288, 110592, 120320, 122880, 135360, 138240, 144384, 162432, 180480, 184320, 192512, 203040, 216576, 221184, 240640, 270720, 276480, 288768, 324864, 360960, 368640, 385024, 406080, 433152, 481280, 541440, 552960, 577536, 649728, 721920, 812160, 866304, 962560, 1082880, 1105920, 1155072, 1299456, 1443840, 1624320, 1732608, 1925120, 2165760, 2598912, 2887680, 3248640, 3465216, 4331520, 5197824, 5775360, 6497280, 8663040, 10395648, 12994560, 17326080, 25989120, 51978240]

約数ペア:

[(1, 51978240), (2, 25989120), (3, 17326080), (4, 12994560), (5, 10395648), (6, 8663040), (8, 6497280), (9, 5775360), (10, 5197824), (12, 4331520), (15, 3465216), (16, 3248640), (18, 2887680), (20, 2598912), (24, 2165760), (27, 1925120), (30, 1732608), (32, 1624320), (36, 1443840), (40, 1299456), (45, 1155072), (47, 1105920), (48, 1082880), (54, 962560), (60, 866304), (64, 812160), (72, 721920), (80, 649728), (90, 577536), (94, 552960), (96, 541440), (108, 481280), (120, 433152), (128, 406080), (135, 385024), (141, 368640), (144, 360960), (160, 324864), (180, 288768), (188, 276480), (192, 270720), (216, 240640), (235, 221184), (240, 216576), (256, 203040), (270, 192512), (282, 184320), (288, 180480), (320, 162432), (360, 144384), (376, 138240), (384, 135360), (423, 122880), (432, 120320), (470, 110592), (480, 108288), (512, 101520), (540, 96256), (564, 92160), (576, 90240), (640, 81216), (705, 73728), (720, 72192), (752, 69120), (768, 67680), (846, 61440), (864, 60160), (940, 55296), (960, 54144), (1024, 50760), (1080, 48128), (1128, 46080), (1152, 45120), (1269, 40960), (1280, 40608), (1410, 36864), (1440, 36096), (1504, 34560), (1536, 33840), (1692, 30720), (1728, 30080), (1880, 27648), (1920, 27072), (2048, 25380), (2115, 24576), (2160, 24064), (2256, 23040), (2304, 22560), (2538, 20480), (2560, 20304), (2820, 18432), (2880, 18048), (3008, 17280), (3072, 16920), (3384, 15360), (3456, 15040), (3760, 13824), (3840, 13536), (4096, 12690), (4230, 12288), (4320, 12032), (4512, 11520), (4608, 11280), (5076, 10240), (5120, 10152), (5640, 9216), (5760, 9024), (6016, 8640), (6144, 8460), (6345, 8192), (6768, 7680), (6912, 7520)]