256296960

素因数分解:

$2^{11}\times 3^5\times 5^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 288

約数和(自身を含む): 930121920

約数和(自身を除く): 673824960

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, 103, 108, 120, 128, 135, 144, 160, 162, 180, 192, 206, 216, 240, 243, 256, 270, 288, 309, 320, 324, 360, 384, 405, 412, 432, 480, 486, 512, 515, 540, 576, 618, 640, 648, 720, 768, 810, 824, 864, 927, 960, 972, 1024, 1030, 1080, 1152, 1215, 1236, 1280, 1296, 1440, 1536, 1545, 1620, 1648, 1728, 1854, 1920, 1944, 2048, 2060, 2160, 2304, 2430, 2472, 2560, 2592, 2781, 2880, 3072, 3090, 3240, 3296, 3456, 3708, 3840, 3888, 4120, 4320, 4608, 4635, 4860, 4944, 5120, 5184, 5562, 5760, 6144, 6180, 6480, 6592, 6912, 7416, 7680, 7776, 8240, 8343, 8640, 9216, 9270, 9720, 9888, 10240, 10368, 11124, 11520, 12360, 12960, 13184, 13824, 13905, 14832, 15360, 15552, 16480, 16686, 17280, 18432, 18540, 19440, 19776, 20736, 22248, 23040, 24720, 25029, 25920, 26368, 27648, 27810, 29664, 30720, 31104, 32960, 33372, 34560, 37080, 38880, 39552, 41472, 41715, 44496, 46080, 49440, 50058, 51840, 52736, 55296, 55620, 59328, 62208, 65920, 66744, 69120, 74160, 77760, 79104, 82944, 83430, 88992, 92160, 98880, 100116, 103680, 105472, 111240, 118656, 124416, 125145, 131840, 133488, 138240, 148320, 155520, 158208, 165888, 166860, 177984, 197760, 200232, 207360, 210944, 222480, 237312, 248832, 250290, 263680, 266976, 276480, 296640, 311040, 316416, 333720, 355968, 395520, 400464, 414720, 444960, 474624, 497664, 500580, 527360, 533952, 593280, 622080, 632832, 667440, 711936, 791040, 800928, 829440, 889920, 949248, 1001160, 1054720, 1067904, 1186560, 1244160, 1334880, 1423872, 1582080, 1601856, 1779840, 1898496, 2002320, 2135808, 2373120, 2488320, 2669760, 2847744, 3164160, 3203712, 3559680, 4004640, 4271616, 4746240, 5339520, 5695488, 6407424, 7119360, 8009280, 8543232, 9492480, 10679040, 12814848, 14238720, 16018560, 17086464, 21358080, 25629696, 28477440, 32037120, 42716160, 51259392, 64074240, 85432320, 128148480, 256296960]

約数ペア:

[(1, 256296960), (2, 128148480), (3, 85432320), (4, 64074240), (5, 51259392), (6, 42716160), (8, 32037120), (9, 28477440), (10, 25629696), (12, 21358080), (15, 17086464), (16, 16018560), (18, 14238720), (20, 12814848), (24, 10679040), (27, 9492480), (30, 8543232), (32, 8009280), (36, 7119360), (40, 6407424), (45, 5695488), (48, 5339520), (54, 4746240), (60, 4271616), (64, 4004640), (72, 3559680), (80, 3203712), (81, 3164160), (90, 2847744), (96, 2669760), (103, 2488320), (108, 2373120), (120, 2135808), (128, 2002320), (135, 1898496), (144, 1779840), (160, 1601856), (162, 1582080), (180, 1423872), (192, 1334880), (206, 1244160), (216, 1186560), (240, 1067904), (243, 1054720), (256, 1001160), (270, 949248), (288, 889920), (309, 829440), (320, 800928), (324, 791040), (360, 711936), (384, 667440), (405, 632832), (412, 622080), (432, 593280), (480, 533952), (486, 527360), (512, 500580), (515, 497664), (540, 474624), (576, 444960), (618, 414720), (640, 400464), (648, 395520), (720, 355968), (768, 333720), (810, 316416), (824, 311040), (864, 296640), (927, 276480), (960, 266976), (972, 263680), (1024, 250290), (1030, 248832), (1080, 237312), (1152, 222480), (1215, 210944), (1236, 207360), (1280, 200232), (1296, 197760), (1440, 177984), (1536, 166860), (1545, 165888), (1620, 158208), (1648, 155520), (1728, 148320), (1854, 138240), (1920, 133488), (1944, 131840), (2048, 125145), (2060, 124416), (2160, 118656), (2304, 111240), (2430, 105472), (2472, 103680), (2560, 100116), (2592, 98880), (2781, 92160), (2880, 88992), (3072, 83430), (3090, 82944), (3240, 79104), (3296, 77760), (3456, 74160), (3708, 69120), (3840, 66744), (3888, 65920), (4120, 62208), (4320, 59328), (4608, 55620), (4635, 55296), (4860, 52736), (4944, 51840), (5120, 50058), (5184, 49440), (5562, 46080), (5760, 44496), (6144, 41715), (6180, 41472), (6480, 39552), (6592, 38880), (6912, 37080), (7416, 34560), (7680, 33372), (7776, 32960), (8240, 31104), (8343, 30720), (8640, 29664), (9216, 27810), (9270, 27648), (9720, 26368), (9888, 25920), (10240, 25029), (10368, 24720), (11124, 23040), (11520, 22248), (12360, 20736), (12960, 19776), (13184, 19440), (13824, 18540), (13905, 18432), (14832, 17280), (15360, 16686), (15552, 16480)]