257113440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 288

約数和(自身を含む): 965895840

約数和(自身を除く): 708782400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 243, 255, 270, 272, 288, 306, 324, 340, 360, 389, 405, 408, 432, 459, 480, 486, 510, 540, 544, 612, 648, 680, 720, 765, 778, 810, 816, 864, 918, 972, 1020, 1080, 1167, 1215, 1224, 1296, 1360, 1377, 1440, 1530, 1556, 1620, 1632, 1836, 1944, 1945, 2040, 2160, 2295, 2334, 2430, 2448, 2592, 2720, 2754, 3060, 3112, 3240, 3501, 3672, 3888, 3890, 4080, 4131, 4320, 4590, 4668, 4860, 4896, 5508, 5835, 6120, 6224, 6480, 6613, 6885, 7002, 7344, 7776, 7780, 8160, 8262, 9180, 9336, 9720, 10503, 11016, 11670, 12240, 12448, 12960, 13226, 13770, 14004, 14688, 15560, 16524, 17505, 18360, 18672, 19440, 19839, 20655, 21006, 22032, 23340, 24480, 26452, 27540, 28008, 31120, 31509, 33048, 33065, 35010, 36720, 37344, 38880, 39678, 41310, 42012, 44064, 46680, 52515, 52904, 55080, 56016, 59517, 62240, 63018, 66096, 66130, 70020, 73440, 79356, 82620, 84024, 93360, 94527, 99195, 105030, 105808, 110160, 112032, 119034, 126036, 132192, 132260, 140040, 157545, 158712, 165240, 168048, 178551, 186720, 189054, 198390, 210060, 211616, 220320, 238068, 252072, 264520, 280080, 297585, 315090, 317424, 330480, 336096, 357102, 378108, 396780, 420120, 472635, 476136, 504144, 529040, 535653, 560160, 595170, 630180, 634848, 660960, 714204, 756216, 793560, 840240, 892755, 945270, 952272, 1008288, 1058080, 1071306, 1190340, 1260360, 1428408, 1512432, 1587120, 1606959, 1680480, 1785510, 1890540, 1904544, 2142612, 2380680, 2520720, 2678265, 2856816, 3024864, 3174240, 3213918, 3571020, 3781080, 4285224, 4761360, 5041440, 5356530, 5713632, 6427836, 7142040, 7562160, 8034795, 8570448, 9522720, 10713060, 12855672, 14284080, 15124320, 16069590, 17140896, 21426120, 25711344, 28568160, 32139180, 42852240, 51422688, 64278360, 85704480, 128556720, 257113440]

約数ペア:

[(1, 257113440), (2, 128556720), (3, 85704480), (4, 64278360), (5, 51422688), (6, 42852240), (8, 32139180), (9, 28568160), (10, 25711344), (12, 21426120), (15, 17140896), (16, 16069590), (17, 15124320), (18, 14284080), (20, 12855672), (24, 10713060), (27, 9522720), (30, 8570448), (32, 8034795), (34, 7562160), (36, 7142040), (40, 6427836), (45, 5713632), (48, 5356530), (51, 5041440), (54, 4761360), (60, 4285224), (68, 3781080), (72, 3571020), (80, 3213918), (81, 3174240), (85, 3024864), (90, 2856816), (96, 2678265), (102, 2520720), (108, 2380680), (120, 2142612), (135, 1904544), (136, 1890540), (144, 1785510), (153, 1680480), (160, 1606959), (162, 1587120), (170, 1512432), (180, 1428408), (204, 1260360), (216, 1190340), (240, 1071306), (243, 1058080), (255, 1008288), (270, 952272), (272, 945270), (288, 892755), (306, 840240), (324, 793560), (340, 756216), (360, 714204), (389, 660960), (405, 634848), (408, 630180), (432, 595170), (459, 560160), (480, 535653), (486, 529040), (510, 504144), (540, 476136), (544, 472635), (612, 420120), (648, 396780), (680, 378108), (720, 357102), (765, 336096), (778, 330480), (810, 317424), (816, 315090), (864, 297585), (918, 280080), (972, 264520), (1020, 252072), (1080, 238068), (1167, 220320), (1215, 211616), (1224, 210060), (1296, 198390), (1360, 189054), (1377, 186720), (1440, 178551), (1530, 168048), (1556, 165240), (1620, 158712), (1632, 157545), (1836, 140040), (1944, 132260), (1945, 132192), (2040, 126036), (2160, 119034), (2295, 112032), (2334, 110160), (2430, 105808), (2448, 105030), (2592, 99195), (2720, 94527), (2754, 93360), (3060, 84024), (3112, 82620), (3240, 79356), (3501, 73440), (3672, 70020), (3888, 66130), (3890, 66096), (4080, 63018), (4131, 62240), (4320, 59517), (4590, 56016), (4668, 55080), (4860, 52904), (4896, 52515), (5508, 46680), (5835, 44064), (6120, 42012), (6224, 41310), (6480, 39678), (6613, 38880), (6885, 37344), (7002, 36720), (7344, 35010), (7776, 33065), (7780, 33048), (8160, 31509), (8262, 31120), (9180, 28008), (9336, 27540), (9720, 26452), (10503, 24480), (11016, 23340), (11670, 22032), (12240, 21006), (12448, 20655), (12960, 19839), (13226, 19440), (13770, 18672), (14004, 18360), (14688, 17505), (15560, 16524)]