257834880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 256

約数和(自身を含む): 937094400

約数和(自身を除く): 679259520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 347, 360, 384, 387, 430, 432, 480, 516, 540, 576, 640, 645, 688, 694, 720, 774, 860, 864, 960, 1032, 1041, 1080, 1152, 1161, 1290, 1376, 1388, 1440, 1548, 1720, 1728, 1735, 1920, 1935, 2064, 2082, 2160, 2322, 2580, 2752, 2776, 2880, 3096, 3123, 3440, 3456, 3470, 3870, 4128, 4164, 4320, 4644, 5160, 5205, 5504, 5552, 5760, 5805, 6192, 6246, 6880, 6940, 7740, 8256, 8328, 8640, 9288, 9369, 10320, 10410, 11104, 11610, 12384, 12492, 13760, 13880, 14921, 15480, 15615, 16512, 16656, 17280, 18576, 18738, 20640, 20820, 22208, 23220, 24768, 24984, 27520, 27760, 29842, 30960, 31230, 33312, 37152, 37476, 41280, 41640, 44416, 44763, 46440, 46845, 49536, 49968, 55520, 59684, 61920, 62460, 66624, 74304, 74605, 74952, 82560, 83280, 89526, 92880, 93690, 99936, 111040, 119368, 123840, 124920, 133248, 134289, 148608, 149210, 149904, 166560, 179052, 185760, 187380, 199872, 222080, 223815, 238736, 247680, 249840, 268578, 298420, 299808, 333120, 358104, 371520, 374760, 399744, 402867, 447630, 477472, 499680, 537156, 596840, 599616, 666240, 671445, 716208, 743040, 749520, 805734, 895260, 954944, 999360, 1074312, 1193680, 1199232, 1342890, 1432416, 1499040, 1611468, 1790520, 1909888, 1998720, 2014335, 2148624, 2387360, 2685780, 2864832, 2998080, 3222936, 3581040, 4028670, 4297248, 4774720, 5371560, 5729664, 5996160, 6445872, 7162080, 8057340, 8594496, 9549440, 10743120, 12891744, 14324160, 16114680, 17188992, 21486240, 25783488, 28648320, 32229360, 42972480, 51566976, 64458720, 85944960, 128917440, 257834880]

約数ペア:

[(1, 257834880), (2, 128917440), (3, 85944960), (4, 64458720), (5, 51566976), (6, 42972480), (8, 32229360), (9, 28648320), (10, 25783488), (12, 21486240), (15, 17188992), (16, 16114680), (18, 14324160), (20, 12891744), (24, 10743120), (27, 9549440), (30, 8594496), (32, 8057340), (36, 7162080), (40, 6445872), (43, 5996160), (45, 5729664), (48, 5371560), (54, 4774720), (60, 4297248), (64, 4028670), (72, 3581040), (80, 3222936), (86, 2998080), (90, 2864832), (96, 2685780), (108, 2387360), (120, 2148624), (128, 2014335), (129, 1998720), (135, 1909888), (144, 1790520), (160, 1611468), (172, 1499040), (180, 1432416), (192, 1342890), (215, 1199232), (216, 1193680), (240, 1074312), (258, 999360), (270, 954944), (288, 895260), (320, 805734), (344, 749520), (347, 743040), (360, 716208), (384, 671445), (387, 666240), (430, 599616), (432, 596840), (480, 537156), (516, 499680), (540, 477472), (576, 447630), (640, 402867), (645, 399744), (688, 374760), (694, 371520), (720, 358104), (774, 333120), (860, 299808), (864, 298420), (960, 268578), (1032, 249840), (1041, 247680), (1080, 238736), (1152, 223815), (1161, 222080), (1290, 199872), (1376, 187380), (1388, 185760), (1440, 179052), (1548, 166560), (1720, 149904), (1728, 149210), (1735, 148608), (1920, 134289), (1935, 133248), (2064, 124920), (2082, 123840), (2160, 119368), (2322, 111040), (2580, 99936), (2752, 93690), (2776, 92880), (2880, 89526), (3096, 83280), (3123, 82560), (3440, 74952), (3456, 74605), (3470, 74304), (3870, 66624), (4128, 62460), (4164, 61920), (4320, 59684), (4644, 55520), (5160, 49968), (5205, 49536), (5504, 46845), (5552, 46440), (5760, 44763), (5805, 44416), (6192, 41640), (6246, 41280), (6880, 37476), (6940, 37152), (7740, 33312), (8256, 31230), (8328, 30960), (8640, 29842), (9288, 27760), (9369, 27520), (10320, 24984), (10410, 24768), (11104, 23220), (11610, 22208), (12384, 20820), (12492, 20640), (13760, 18738), (13880, 18576), (14921, 17280), (15480, 16656), (15615, 16512)]