42147840

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^3$

素因数の和:55

約数の個数: 224

約数和(自身を含む): 157276800

約数和(自身を除く): 115128960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 343, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 686, 735, 768, 784, 840, 896, 960, 980, 1024, 1029, 1120, 1176, 1280, 1344, 1372, 1470, 1536, 1568, 1680, 1715, 1792, 1920, 1960, 2048, 2058, 2240, 2352, 2560, 2688, 2744, 2940, 3072, 3136, 3360, 3430, 3584, 3840, 3920, 4096, 4116, 4480, 4704, 5120, 5145, 5376, 5488, 5880, 6144, 6272, 6720, 6860, 7168, 7680, 7840, 8192, 8232, 8960, 9408, 10240, 10290, 10752, 10976, 11760, 12288, 12544, 13440, 13720, 14336, 15360, 15680, 16464, 17920, 18816, 20480, 20580, 21504, 21952, 23520, 24576, 25088, 26880, 27440, 28672, 30720, 31360, 32928, 35840, 37632, 40960, 41160, 43008, 43904, 47040, 50176, 53760, 54880, 57344, 61440, 62720, 65856, 71680, 75264, 82320, 86016, 87808, 94080, 100352, 107520, 109760, 122880, 125440, 131712, 143360, 150528, 164640, 172032, 175616, 188160, 200704, 215040, 219520, 250880, 263424, 286720, 301056, 329280, 351232, 376320, 401408, 430080, 439040, 501760, 526848, 602112, 658560, 702464, 752640, 860160, 878080, 1003520, 1053696, 1204224, 1317120, 1404928, 1505280, 1756160, 2007040, 2107392, 2634240, 2809856, 3010560, 3512320, 4214784, 5268480, 6021120, 7024640, 8429568, 10536960, 14049280, 21073920, 42147840]

約数ペア:

[(1, 42147840), (2, 21073920), (3, 14049280), (4, 10536960), (5, 8429568), (6, 7024640), (7, 6021120), (8, 5268480), (10, 4214784), (12, 3512320), (14, 3010560), (15, 2809856), (16, 2634240), (20, 2107392), (21, 2007040), (24, 1756160), (28, 1505280), (30, 1404928), (32, 1317120), (35, 1204224), (40, 1053696), (42, 1003520), (48, 878080), (49, 860160), (56, 752640), (60, 702464), (64, 658560), (70, 602112), (80, 526848), (84, 501760), (96, 439040), (98, 430080), (105, 401408), (112, 376320), (120, 351232), (128, 329280), (140, 301056), (147, 286720), (160, 263424), (168, 250880), (192, 219520), (196, 215040), (210, 200704), (224, 188160), (240, 175616), (245, 172032), (256, 164640), (280, 150528), (294, 143360), (320, 131712), (336, 125440), (343, 122880), (384, 109760), (392, 107520), (420, 100352), (448, 94080), (480, 87808), (490, 86016), (512, 82320), (560, 75264), (588, 71680), (640, 65856), (672, 62720), (686, 61440), (735, 57344), (768, 54880), (784, 53760), (840, 50176), (896, 47040), (960, 43904), (980, 43008), (1024, 41160), (1029, 40960), (1120, 37632), (1176, 35840), (1280, 32928), (1344, 31360), (1372, 30720), (1470, 28672), (1536, 27440), (1568, 26880), (1680, 25088), (1715, 24576), (1792, 23520), (1920, 21952), (1960, 21504), (2048, 20580), (2058, 20480), (2240, 18816), (2352, 17920), (2560, 16464), (2688, 15680), (2744, 15360), (2940, 14336), (3072, 13720), (3136, 13440), (3360, 12544), (3430, 12288), (3584, 11760), (3840, 10976), (3920, 10752), (4096, 10290), (4116, 10240), (4480, 9408), (4704, 8960), (5120, 8232), (5145, 8192), (5376, 7840), (5488, 7680), (5880, 7168), (6144, 6860), (6272, 6720)]