678481920

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 260

約数和(自身を含む): 2438133060

約数和(自身を除く): 1759651140

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 409, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 818, 864, 960, 1024, 1080, 1152, 1227, 1280, 1296, 1440, 1536, 1620, 1636, 1728, 1920, 2045, 2048, 2160, 2304, 2454, 2560, 2592, 2880, 3072, 3240, 3272, 3456, 3681, 3840, 4090, 4096, 4320, 4608, 4908, 5120, 5184, 5760, 6135, 6144, 6480, 6544, 6912, 7362, 7680, 8180, 8640, 9216, 9816, 10240, 10368, 11043, 11520, 12270, 12288, 12960, 13088, 13824, 14724, 15360, 16360, 17280, 18405, 18432, 19632, 20480, 20736, 22086, 23040, 24540, 25920, 26176, 27648, 29448, 30720, 32720, 33129, 34560, 36810, 36864, 39264, 41472, 44172, 46080, 49080, 51840, 52352, 55215, 55296, 58896, 61440, 65440, 66258, 69120, 73620, 78528, 82944, 88344, 92160, 98160, 103680, 104704, 110430, 110592, 117792, 130880, 132516, 138240, 147240, 157056, 165645, 165888, 176688, 184320, 196320, 207360, 209408, 220860, 235584, 261760, 265032, 276480, 294480, 314112, 331290, 331776, 353376, 392640, 414720, 418816, 441720, 471168, 523520, 530064, 552960, 588960, 628224, 662580, 706752, 785280, 829440, 837632, 883440, 942336, 1047040, 1060128, 1177920, 1256448, 1325160, 1413504, 1570560, 1658880, 1675264, 1766880, 1884672, 2094080, 2120256, 2355840, 2512896, 2650320, 2827008, 3141120, 3533760, 3769344, 4188160, 4240512, 4711680, 5025792, 5300640, 5654016, 6282240, 7067520, 7538688, 8376320, 8481024, 9423360, 10601280, 11308032, 12564480, 14135040, 15077376, 16962048, 18846720, 21202560, 22616064, 25128960, 28270080, 33924096, 37693440, 42405120, 45232128, 56540160, 67848192, 75386880, 84810240, 113080320, 135696384, 169620480, 226160640, 339240960, 678481920]

約数ペア:

[(1, 678481920), (2, 339240960), (3, 226160640), (4, 169620480), (5, 135696384), (6, 113080320), (8, 84810240), (9, 75386880), (10, 67848192), (12, 56540160), (15, 45232128), (16, 42405120), (18, 37693440), (20, 33924096), (24, 28270080), (27, 25128960), (30, 22616064), (32, 21202560), (36, 18846720), (40, 16962048), (45, 15077376), (48, 14135040), (54, 12564480), (60, 11308032), (64, 10601280), (72, 9423360), (80, 8481024), (81, 8376320), (90, 7538688), (96, 7067520), (108, 6282240), (120, 5654016), (128, 5300640), (135, 5025792), (144, 4711680), (160, 4240512), (162, 4188160), (180, 3769344), (192, 3533760), (216, 3141120), (240, 2827008), (256, 2650320), (270, 2512896), (288, 2355840), (320, 2120256), (324, 2094080), (360, 1884672), (384, 1766880), (405, 1675264), (409, 1658880), (432, 1570560), (480, 1413504), (512, 1325160), (540, 1256448), (576, 1177920), (640, 1060128), (648, 1047040), (720, 942336), (768, 883440), (810, 837632), (818, 829440), (864, 785280), (960, 706752), (1024, 662580), (1080, 628224), (1152, 588960), (1227, 552960), (1280, 530064), (1296, 523520), (1440, 471168), (1536, 441720), (1620, 418816), (1636, 414720), (1728, 392640), (1920, 353376), (2045, 331776), (2048, 331290), (2160, 314112), (2304, 294480), (2454, 276480), (2560, 265032), (2592, 261760), (2880, 235584), (3072, 220860), (3240, 209408), (3272, 207360), (3456, 196320), (3681, 184320), (3840, 176688), (4090, 165888), (4096, 165645), (4320, 157056), (4608, 147240), (4908, 138240), (5120, 132516), (5184, 130880), (5760, 117792), (6135, 110592), (6144, 110430), (6480, 104704), (6544, 103680), (6912, 98160), (7362, 92160), (7680, 88344), (8180, 82944), (8640, 78528), (9216, 73620), (9816, 69120), (10240, 66258), (10368, 65440), (11043, 61440), (11520, 58896), (12270, 55296), (12288, 55215), (12960, 52352), (13088, 51840), (13824, 49080), (14724, 46080), (15360, 44172), (16360, 41472), (17280, 39264), (18405, 36864), (18432, 36810), (19632, 34560), (20480, 33129), (20736, 32720), (22086, 30720), (23040, 29448), (24540, 27648), (25920, 26176)]