721674240

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{839}}^1$

素因数の和:880

約数の個数: 224

約数和(自身を含む): 2642250240

約数和(自身を除く): 1920576000

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 839, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1678, 1680, 1792, 1920, 2048, 2240, 2517, 2560, 2688, 3072, 3356, 3360, 3584, 3840, 4096, 4195, 4480, 5034, 5120, 5376, 5873, 6144, 6712, 6720, 7168, 7680, 8192, 8390, 8960, 10068, 10240, 10752, 11746, 12288, 12585, 13424, 13440, 14336, 15360, 16780, 17619, 17920, 20136, 20480, 21504, 23492, 24576, 25170, 26848, 26880, 28672, 29365, 30720, 33560, 35238, 35840, 40272, 40960, 43008, 46984, 50340, 53696, 53760, 57344, 58730, 61440, 67120, 70476, 71680, 80544, 86016, 88095, 93968, 100680, 107392, 107520, 117460, 122880, 134240, 140952, 143360, 161088, 172032, 176190, 187936, 201360, 214784, 215040, 234920, 268480, 281904, 286720, 322176, 352380, 375872, 402720, 429568, 430080, 469840, 536960, 563808, 644352, 704760, 751744, 805440, 859136, 860160, 939680, 1073920, 1127616, 1288704, 1409520, 1503488, 1610880, 1718272, 1879360, 2147840, 2255232, 2577408, 2819040, 3006976, 3221760, 3436544, 3758720, 4295680, 4510464, 5154816, 5638080, 6013952, 6443520, 6873088, 7517440, 8591360, 9020928, 10309632, 11276160, 12027904, 12887040, 15034880, 17182720, 18041856, 20619264, 22552320, 24055808, 25774080, 30069760, 34365440, 36083712, 45104640, 48111616, 51548160, 60139520, 72167424, 90209280, 103096320, 120279040, 144334848, 180418560, 240558080, 360837120, 721674240]

約数ペア:

[(1, 721674240), (2, 360837120), (3, 240558080), (4, 180418560), (5, 144334848), (6, 120279040), (7, 103096320), (8, 90209280), (10, 72167424), (12, 60139520), (14, 51548160), (15, 48111616), (16, 45104640), (20, 36083712), (21, 34365440), (24, 30069760), (28, 25774080), (30, 24055808), (32, 22552320), (35, 20619264), (40, 18041856), (42, 17182720), (48, 15034880), (56, 12887040), (60, 12027904), (64, 11276160), (70, 10309632), (80, 9020928), (84, 8591360), (96, 7517440), (105, 6873088), (112, 6443520), (120, 6013952), (128, 5638080), (140, 5154816), (160, 4510464), (168, 4295680), (192, 3758720), (210, 3436544), (224, 3221760), (240, 3006976), (256, 2819040), (280, 2577408), (320, 2255232), (336, 2147840), (384, 1879360), (420, 1718272), (448, 1610880), (480, 1503488), (512, 1409520), (560, 1288704), (640, 1127616), (672, 1073920), (768, 939680), (839, 860160), (840, 859136), (896, 805440), (960, 751744), (1024, 704760), (1120, 644352), (1280, 563808), (1344, 536960), (1536, 469840), (1678, 430080), (1680, 429568), (1792, 402720), (1920, 375872), (2048, 352380), (2240, 322176), (2517, 286720), (2560, 281904), (2688, 268480), (3072, 234920), (3356, 215040), (3360, 214784), (3584, 201360), (3840, 187936), (4096, 176190), (4195, 172032), (4480, 161088), (5034, 143360), (5120, 140952), (5376, 134240), (5873, 122880), (6144, 117460), (6712, 107520), (6720, 107392), (7168, 100680), (7680, 93968), (8192, 88095), (8390, 86016), (8960, 80544), (10068, 71680), (10240, 70476), (10752, 67120), (11746, 61440), (12288, 58730), (12585, 57344), (13424, 53760), (13440, 53696), (14336, 50340), (15360, 46984), (16780, 43008), (17619, 40960), (17920, 40272), (20136, 35840), (20480, 35238), (21504, 33560), (23492, 30720), (24576, 29365), (25170, 28672), (26848, 26880)]