257051520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4057}}^1$

素因数の和:4093

約数の個数: 192

約数和(自身を含む): 968563440

約数和(自身を除く): 711511920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 1056, 1152, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 4057, 4224, 5280, 5760, 6336, 7040, 7920, 8114, 10560, 12171, 12672, 15840, 16228, 20285, 21120, 24342, 31680, 32456, 36513, 40570, 44627, 48684, 60855, 63360, 64912, 73026, 81140, 89254, 97368, 121710, 129824, 133881, 146052, 162280, 178508, 182565, 194736, 223135, 243420, 259648, 267762, 292104, 324560, 357016, 365130, 389472, 401643, 446270, 486840, 519296, 535524, 584208, 649120, 669405, 714032, 730260, 778944, 803286, 892540, 973680, 1071048, 1168416, 1298240, 1338810, 1428064, 1460520, 1557888, 1606572, 1785080, 1947360, 2008215, 2142096, 2336832, 2596480, 2677620, 2856128, 2921040, 3213144, 3570160, 3894720, 4016430, 4284192, 4673664, 5355240, 5712256, 5842080, 6426288, 7140320, 7789440, 8032860, 8568384, 10710480, 11684160, 12852576, 14280640, 16065720, 17136768, 21420960, 23368320, 25705152, 28561280, 32131440, 42841920, 51410304, 64262880, 85683840, 128525760, 257051520]

約数ペア:

[(1, 257051520), (2, 128525760), (3, 85683840), (4, 64262880), (5, 51410304), (6, 42841920), (8, 32131440), (9, 28561280), (10, 25705152), (11, 23368320), (12, 21420960), (15, 17136768), (16, 16065720), (18, 14280640), (20, 12852576), (22, 11684160), (24, 10710480), (30, 8568384), (32, 8032860), (33, 7789440), (36, 7140320), (40, 6426288), (44, 5842080), (45, 5712256), (48, 5355240), (55, 4673664), (60, 4284192), (64, 4016430), (66, 3894720), (72, 3570160), (80, 3213144), (88, 2921040), (90, 2856128), (96, 2677620), (99, 2596480), (110, 2336832), (120, 2142096), (128, 2008215), (132, 1947360), (144, 1785080), (160, 1606572), (165, 1557888), (176, 1460520), (180, 1428064), (192, 1338810), (198, 1298240), (220, 1168416), (240, 1071048), (264, 973680), (288, 892540), (320, 803286), (330, 778944), (352, 730260), (360, 714032), (384, 669405), (396, 649120), (440, 584208), (480, 535524), (495, 519296), (528, 486840), (576, 446270), (640, 401643), (660, 389472), (704, 365130), (720, 357016), (792, 324560), (880, 292104), (960, 267762), (990, 259648), (1056, 243420), (1152, 223135), (1320, 194736), (1408, 182565), (1440, 178508), (1584, 162280), (1760, 146052), (1920, 133881), (1980, 129824), (2112, 121710), (2640, 97368), (2880, 89254), (3168, 81140), (3520, 73026), (3960, 64912), (4057, 63360), (4224, 60855), (5280, 48684), (5760, 44627), (6336, 40570), (7040, 36513), (7920, 32456), (8114, 31680), (10560, 24342), (12171, 21120), (12672, 20285), (15840, 16228)]