257879040

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 176

約数和(自身を含む): 837927168

約数和(自身を除く): 580048128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 163, 192, 206, 240, 256, 309, 320, 326, 384, 412, 480, 489, 512, 515, 618, 640, 652, 768, 815, 824, 960, 978, 1024, 1030, 1236, 1280, 1304, 1536, 1545, 1630, 1648, 1920, 1956, 2060, 2445, 2472, 2560, 2608, 3072, 3090, 3260, 3296, 3840, 3912, 4120, 4890, 4944, 5120, 5216, 6180, 6520, 6592, 7680, 7824, 8240, 9780, 9888, 10432, 12360, 13040, 13184, 15360, 15648, 16480, 16789, 19560, 19776, 20864, 24720, 26080, 26368, 31296, 32960, 33578, 39120, 39552, 41728, 49440, 50367, 52160, 52736, 62592, 65920, 67156, 78240, 79104, 83456, 83945, 98880, 100734, 104320, 105472, 125184, 131840, 134312, 156480, 158208, 166912, 167890, 197760, 201468, 208640, 250368, 251835, 263680, 268624, 312960, 316416, 335780, 395520, 402936, 417280, 500736, 503670, 527360, 537248, 625920, 671560, 791040, 805872, 834560, 1007340, 1074496, 1251840, 1343120, 1582080, 1611744, 2014680, 2148992, 2503680, 2686240, 3223488, 4029360, 4297984, 5372480, 6446976, 8058720, 8595968, 10744960, 12893952, 16117440, 17191936, 21489920, 25787904, 32234880, 42979840, 51575808, 64469760, 85959680, 128939520, 257879040]

約数ペア:

[(1, 257879040), (2, 128939520), (3, 85959680), (4, 64469760), (5, 51575808), (6, 42979840), (8, 32234880), (10, 25787904), (12, 21489920), (15, 17191936), (16, 16117440), (20, 12893952), (24, 10744960), (30, 8595968), (32, 8058720), (40, 6446976), (48, 5372480), (60, 4297984), (64, 4029360), (80, 3223488), (96, 2686240), (103, 2503680), (120, 2148992), (128, 2014680), (160, 1611744), (163, 1582080), (192, 1343120), (206, 1251840), (240, 1074496), (256, 1007340), (309, 834560), (320, 805872), (326, 791040), (384, 671560), (412, 625920), (480, 537248), (489, 527360), (512, 503670), (515, 500736), (618, 417280), (640, 402936), (652, 395520), (768, 335780), (815, 316416), (824, 312960), (960, 268624), (978, 263680), (1024, 251835), (1030, 250368), (1236, 208640), (1280, 201468), (1304, 197760), (1536, 167890), (1545, 166912), (1630, 158208), (1648, 156480), (1920, 134312), (1956, 131840), (2060, 125184), (2445, 105472), (2472, 104320), (2560, 100734), (2608, 98880), (3072, 83945), (3090, 83456), (3260, 79104), (3296, 78240), (3840, 67156), (3912, 65920), (4120, 62592), (4890, 52736), (4944, 52160), (5120, 50367), (5216, 49440), (6180, 41728), (6520, 39552), (6592, 39120), (7680, 33578), (7824, 32960), (8240, 31296), (9780, 26368), (9888, 26080), (10432, 24720), (12360, 20864), (13040, 19776), (13184, 19560), (15360, 16789), (15648, 16480)]