257085360

素因数分解:

$2^4\times 3^3\times 5^1\times 7^3\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 320

約数和(自身を含む): 1035648000

約数和(自身を除く): 778562640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 343, 347, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 686, 694, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1029, 1041, 1080, 1176, 1260, 1323, 1372, 1388, 1470, 1512, 1680, 1715, 1735, 1764, 1890, 1960, 2058, 2082, 2160, 2205, 2352, 2429, 2520, 2646, 2744, 2776, 2940, 3024, 3087, 3123, 3430, 3470, 3528, 3780, 3920, 4116, 4164, 4410, 4858, 5040, 5145, 5205, 5292, 5488, 5552, 5880, 6174, 6246, 6615, 6860, 6940, 7056, 7287, 7560, 8232, 8328, 8820, 9261, 9369, 9716, 10290, 10410, 10584, 11760, 12145, 12348, 12492, 13230, 13720, 13880, 14574, 15120, 15435, 15615, 16464, 16656, 17003, 17640, 18522, 18738, 19432, 20580, 20820, 21168, 21861, 24290, 24696, 24984, 26460, 27440, 27760, 29148, 30870, 31230, 34006, 35280, 36435, 37044, 37476, 38864, 41160, 41640, 43722, 46305, 46845, 48580, 49392, 49968, 51009, 52920, 58296, 61740, 62460, 65583, 68012, 72870, 74088, 74952, 82320, 83280, 85015, 87444, 92610, 93690, 97160, 102018, 105840, 109305, 116592, 119021, 123480, 124920, 131166, 136024, 145740, 148176, 149904, 153027, 170030, 174888, 185220, 187380, 194320, 204036, 218610, 238042, 246960, 249840, 255045, 262332, 272048, 291480, 306054, 327915, 340060, 349776, 357063, 370440, 374760, 408072, 437220, 459081, 476084, 510090, 524664, 582960, 595105, 612108, 655830, 680120, 714126, 740880, 749520, 765135, 816144, 874440, 918162, 952168, 1020180, 1049328, 1071189, 1190210, 1224216, 1311660, 1360240, 1428252, 1530270, 1748880, 1785315, 1836324, 1904336, 2040360, 2142378, 2295405, 2380420, 2448432, 2623320, 2856504, 3060540, 3213567, 3570630, 3672648, 4080720, 4284756, 4590810, 4760840, 5246640, 5355945, 5713008, 6121080, 6427134, 7141260, 7345296, 8569512, 9181620, 9521680, 10711890, 12242160, 12854268, 14282520, 16067835, 17139024, 18363240, 21423780, 25708536, 28565040, 32135670, 36726480, 42847560, 51417072, 64271340, 85695120, 128542680, 257085360]

約数ペア:

[(1, 257085360), (2, 128542680), (3, 85695120), (4, 64271340), (5, 51417072), (6, 42847560), (7, 36726480), (8, 32135670), (9, 28565040), (10, 25708536), (12, 21423780), (14, 18363240), (15, 17139024), (16, 16067835), (18, 14282520), (20, 12854268), (21, 12242160), (24, 10711890), (27, 9521680), (28, 9181620), (30, 8569512), (35, 7345296), (36, 7141260), (40, 6427134), (42, 6121080), (45, 5713008), (48, 5355945), (49, 5246640), (54, 4760840), (56, 4590810), (60, 4284756), (63, 4080720), (70, 3672648), (72, 3570630), (80, 3213567), (84, 3060540), (90, 2856504), (98, 2623320), (105, 2448432), (108, 2380420), (112, 2295405), (120, 2142378), (126, 2040360), (135, 1904336), (140, 1836324), (144, 1785315), (147, 1748880), (168, 1530270), (180, 1428252), (189, 1360240), (196, 1311660), (210, 1224216), (216, 1190210), (240, 1071189), (245, 1049328), (252, 1020180), (270, 952168), (280, 918162), (294, 874440), (315, 816144), (336, 765135), (343, 749520), (347, 740880), (360, 714126), (378, 680120), (392, 655830), (420, 612108), (432, 595105), (441, 582960), (490, 524664), (504, 510090), (540, 476084), (560, 459081), (588, 437220), (630, 408072), (686, 374760), (694, 370440), (720, 357063), (735, 349776), (756, 340060), (784, 327915), (840, 306054), (882, 291480), (945, 272048), (980, 262332), (1008, 255045), (1029, 249840), (1041, 246960), (1080, 238042), (1176, 218610), (1260, 204036), (1323, 194320), (1372, 187380), (1388, 185220), (1470, 174888), (1512, 170030), (1680, 153027), (1715, 149904), (1735, 148176), (1764, 145740), (1890, 136024), (1960, 131166), (2058, 124920), (2082, 123480), (2160, 119021), (2205, 116592), (2352, 109305), (2429, 105840), (2520, 102018), (2646, 97160), (2744, 93690), (2776, 92610), (2940, 87444), (3024, 85015), (3087, 83280), (3123, 82320), (3430, 74952), (3470, 74088), (3528, 72870), (3780, 68012), (3920, 65583), (4116, 62460), (4164, 61740), (4410, 58296), (4858, 52920), (5040, 51009), (5145, 49968), (5205, 49392), (5292, 48580), (5488, 46845), (5552, 46305), (5880, 43722), (6174, 41640), (6246, 41160), (6615, 38864), (6860, 37476), (6940, 37044), (7056, 36435), (7287, 35280), (7560, 34006), (8232, 31230), (8328, 30870), (8820, 29148), (9261, 27760), (9369, 27440), (9716, 26460), (10290, 24984), (10410, 24696), (10584, 24290), (11760, 21861), (12145, 21168), (12348, 20820), (12492, 20580), (13230, 19432), (13720, 18738), (13880, 18522), (14574, 17640), (15120, 17003), (15435, 16656), (15615, 16464)]