257584320

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4259}}^1$

素因数の和:4292

約数の個数: 224

約数和(自身を含む): 1038758400

約数和(自身を除く): 781174080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4259, 4320, 5040, 6048, 6720, 7560, 8518, 8640, 10080, 12096, 12777, 15120, 17036, 20160, 21295, 25554, 29813, 30240, 34072, 38331, 42590, 51108, 59626, 60480, 63885, 68144, 76662, 85180, 89439, 102216, 114993, 119252, 127770, 136288, 149065, 153324, 170360, 178878, 191655, 204432, 229986, 238504, 255540, 268317, 272576, 298130, 306648, 340720, 357756, 383310, 408864, 447195, 459972, 477008, 511080, 536634, 574965, 596260, 613296, 681440, 715512, 766620, 804951, 817728, 894390, 919944, 954016, 1022160, 1073268, 1149930, 1192520, 1226592, 1341585, 1362880, 1431024, 1533240, 1609902, 1788780, 1839888, 1908032, 2044320, 2146536, 2299860, 2385040, 2453184, 2683170, 2862048, 3066480, 3219804, 3577560, 3679776, 4024755, 4088640, 4293072, 4599720, 4770080, 5366340, 5724096, 6132960, 6439608, 7155120, 7359552, 8049510, 8586144, 9199440, 9540160, 10732680, 12265920, 12879216, 14310240, 16099020, 17172288, 18398880, 21465360, 25758432, 28620480, 32198040, 36797760, 42930720, 51516864, 64396080, 85861440, 128792160, 257584320]

約数ペア:

[(1, 257584320), (2, 128792160), (3, 85861440), (4, 64396080), (5, 51516864), (6, 42930720), (7, 36797760), (8, 32198040), (9, 28620480), (10, 25758432), (12, 21465360), (14, 18398880), (15, 17172288), (16, 16099020), (18, 14310240), (20, 12879216), (21, 12265920), (24, 10732680), (27, 9540160), (28, 9199440), (30, 8586144), (32, 8049510), (35, 7359552), (36, 7155120), (40, 6439608), (42, 6132960), (45, 5724096), (48, 5366340), (54, 4770080), (56, 4599720), (60, 4293072), (63, 4088640), (64, 4024755), (70, 3679776), (72, 3577560), (80, 3219804), (84, 3066480), (90, 2862048), (96, 2683170), (105, 2453184), (108, 2385040), (112, 2299860), (120, 2146536), (126, 2044320), (135, 1908032), (140, 1839888), (144, 1788780), (160, 1609902), (168, 1533240), (180, 1431024), (189, 1362880), (192, 1341585), (210, 1226592), (216, 1192520), (224, 1149930), (240, 1073268), (252, 1022160), (270, 954016), (280, 919944), (288, 894390), (315, 817728), (320, 804951), (336, 766620), (360, 715512), (378, 681440), (420, 613296), (432, 596260), (448, 574965), (480, 536634), (504, 511080), (540, 477008), (560, 459972), (576, 447195), (630, 408864), (672, 383310), (720, 357756), (756, 340720), (840, 306648), (864, 298130), (945, 272576), (960, 268317), (1008, 255540), (1080, 238504), (1120, 229986), (1260, 204432), (1344, 191655), (1440, 178878), (1512, 170360), (1680, 153324), (1728, 149065), (1890, 136288), (2016, 127770), (2160, 119252), (2240, 114993), (2520, 102216), (2880, 89439), (3024, 85180), (3360, 76662), (3780, 68144), (4032, 63885), (4259, 60480), (4320, 59626), (5040, 51108), (6048, 42590), (6720, 38331), (7560, 34072), (8518, 30240), (8640, 29813), (10080, 25554), (12096, 21295), (12777, 20160), (15120, 17036)]