81569280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 320

約数和(自身を含む): 302480640

約数和(自身を除く): 220911360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 43, 48, 52, 57, 60, 64, 65, 76, 78, 80, 86, 95, 96, 104, 114, 120, 128, 129, 130, 152, 156, 160, 172, 190, 192, 195, 208, 215, 228, 240, 247, 256, 258, 260, 285, 304, 312, 320, 344, 380, 384, 390, 416, 430, 456, 480, 494, 512, 516, 520, 559, 570, 608, 624, 640, 645, 688, 741, 760, 768, 780, 817, 832, 860, 912, 960, 988, 1032, 1040, 1118, 1140, 1216, 1235, 1248, 1280, 1290, 1376, 1482, 1520, 1536, 1560, 1634, 1664, 1677, 1720, 1824, 1920, 1976, 2064, 2080, 2236, 2280, 2432, 2451, 2470, 2496, 2560, 2580, 2752, 2795, 2964, 3040, 3120, 3268, 3328, 3354, 3440, 3648, 3705, 3840, 3952, 4085, 4128, 4160, 4472, 4560, 4864, 4902, 4940, 4992, 5160, 5504, 5590, 5928, 6080, 6240, 6536, 6656, 6708, 6880, 7296, 7410, 7680, 7904, 8170, 8256, 8320, 8385, 8944, 9120, 9728, 9804, 9880, 9984, 10320, 10621, 11008, 11180, 11856, 12160, 12255, 12480, 13072, 13416, 13760, 14592, 14820, 15808, 16340, 16512, 16640, 16770, 17888, 18240, 19608, 19760, 19968, 20640, 21242, 22016, 22360, 23712, 24320, 24510, 24960, 26144, 26832, 27520, 29184, 29640, 31616, 31863, 32680, 33024, 33280, 33540, 35776, 36480, 39216, 39520, 41280, 42484, 44720, 47424, 48640, 49020, 49920, 52288, 53105, 53664, 55040, 59280, 63232, 63726, 65360, 66048, 67080, 71552, 72960, 78432, 79040, 82560, 84968, 89440, 94848, 98040, 99840, 104576, 106210, 107328, 110080, 118560, 126464, 127452, 130720, 134160, 143104, 145920, 156864, 158080, 159315, 165120, 169936, 178880, 189696, 196080, 209152, 212420, 214656, 237120, 254904, 261440, 268320, 286208, 313728, 316160, 318630, 330240, 339872, 357760, 379392, 392160, 418304, 424840, 429312, 474240, 509808, 522880, 536640, 627456, 632320, 637260, 679744, 715520, 784320, 849680, 858624, 948480, 1019616, 1045760, 1073280, 1254912, 1274520, 1359488, 1431040, 1568640, 1699360, 1896960, 2039232, 2091520, 2146560, 2549040, 2718976, 3137280, 3398720, 4078464, 4293120, 5098080, 5437952, 6274560, 6797440, 8156928, 10196160, 13594880, 16313856, 20392320, 27189760, 40784640, 81569280]

約数ペア:

[(1, 81569280), (2, 40784640), (3, 27189760), (4, 20392320), (5, 16313856), (6, 13594880), (8, 10196160), (10, 8156928), (12, 6797440), (13, 6274560), (15, 5437952), (16, 5098080), (19, 4293120), (20, 4078464), (24, 3398720), (26, 3137280), (30, 2718976), (32, 2549040), (38, 2146560), (39, 2091520), (40, 2039232), (43, 1896960), (48, 1699360), (52, 1568640), (57, 1431040), (60, 1359488), (64, 1274520), (65, 1254912), (76, 1073280), (78, 1045760), (80, 1019616), (86, 948480), (95, 858624), (96, 849680), (104, 784320), (114, 715520), (120, 679744), (128, 637260), (129, 632320), (130, 627456), (152, 536640), (156, 522880), (160, 509808), (172, 474240), (190, 429312), (192, 424840), (195, 418304), (208, 392160), (215, 379392), (228, 357760), (240, 339872), (247, 330240), (256, 318630), (258, 316160), (260, 313728), (285, 286208), (304, 268320), (312, 261440), (320, 254904), (344, 237120), (380, 214656), (384, 212420), (390, 209152), (416, 196080), (430, 189696), (456, 178880), (480, 169936), (494, 165120), (512, 159315), (516, 158080), (520, 156864), (559, 145920), (570, 143104), (608, 134160), (624, 130720), (640, 127452), (645, 126464), (688, 118560), (741, 110080), (760, 107328), (768, 106210), (780, 104576), (817, 99840), (832, 98040), (860, 94848), (912, 89440), (960, 84968), (988, 82560), (1032, 79040), (1040, 78432), (1118, 72960), (1140, 71552), (1216, 67080), (1235, 66048), (1248, 65360), (1280, 63726), (1290, 63232), (1376, 59280), (1482, 55040), (1520, 53664), (1536, 53105), (1560, 52288), (1634, 49920), (1664, 49020), (1677, 48640), (1720, 47424), (1824, 44720), (1920, 42484), (1976, 41280), (2064, 39520), (2080, 39216), (2236, 36480), (2280, 35776), (2432, 33540), (2451, 33280), (2470, 33024), (2496, 32680), (2560, 31863), (2580, 31616), (2752, 29640), (2795, 29184), (2964, 27520), (3040, 26832), (3120, 26144), (3268, 24960), (3328, 24510), (3354, 24320), (3440, 23712), (3648, 22360), (3705, 22016), (3840, 21242), (3952, 20640), (4085, 19968), (4128, 19760), (4160, 19608), (4472, 18240), (4560, 17888), (4864, 16770), (4902, 16640), (4940, 16512), (4992, 16340), (5160, 15808), (5504, 14820), (5590, 14592), (5928, 13760), (6080, 13416), (6240, 13072), (6536, 12480), (6656, 12255), (6708, 12160), (6880, 11856), (7296, 11180), (7410, 11008), (7680, 10621), (7904, 10320), (8170, 9984), (8256, 9880), (8320, 9804), (8385, 9728), (8944, 9120)]