257253120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 216

約数和(自身を含む): 902066256

約数和(自身を除く): 644813136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 137, 144, 160, 163, 180, 192, 240, 256, 274, 288, 320, 326, 360, 384, 411, 480, 489, 548, 576, 640, 652, 685, 720, 768, 815, 822, 960, 978, 1096, 1152, 1233, 1280, 1304, 1370, 1440, 1467, 1630, 1644, 1920, 1956, 2055, 2192, 2304, 2445, 2466, 2608, 2740, 2880, 2934, 3260, 3288, 3840, 3912, 4110, 4384, 4890, 4932, 5216, 5480, 5760, 5868, 6165, 6520, 6576, 7335, 7824, 8220, 8768, 9780, 9864, 10432, 10960, 11520, 11736, 12330, 13040, 13152, 14670, 15648, 16440, 17536, 19560, 19728, 20864, 21920, 22331, 23472, 24660, 26080, 26304, 29340, 31296, 32880, 35072, 39120, 39456, 41728, 43840, 44662, 46944, 49320, 52160, 52608, 58680, 62592, 65760, 66993, 78240, 78912, 87680, 89324, 93888, 98640, 104320, 105216, 111655, 117360, 125184, 131520, 133986, 156480, 157824, 175360, 178648, 187776, 197280, 200979, 208640, 223310, 234720, 263040, 267972, 312960, 315648, 334965, 357296, 375552, 394560, 401958, 446620, 469440, 526080, 535944, 625920, 669930, 714592, 789120, 803916, 893240, 938880, 1004895, 1071888, 1339860, 1429184, 1578240, 1607832, 1786480, 1877760, 2009790, 2143776, 2679720, 2858368, 3215664, 3572960, 4019580, 4287552, 5359440, 5716736, 6431328, 7145920, 8039160, 8575104, 10718880, 12862656, 14291840, 16078320, 17150208, 21437760, 25725312, 28583680, 32156640, 42875520, 51450624, 64313280, 85751040, 128626560, 257253120]

約数ペア:

[(1, 257253120), (2, 128626560), (3, 85751040), (4, 64313280), (5, 51450624), (6, 42875520), (8, 32156640), (9, 28583680), (10, 25725312), (12, 21437760), (15, 17150208), (16, 16078320), (18, 14291840), (20, 12862656), (24, 10718880), (30, 8575104), (32, 8039160), (36, 7145920), (40, 6431328), (45, 5716736), (48, 5359440), (60, 4287552), (64, 4019580), (72, 3572960), (80, 3215664), (90, 2858368), (96, 2679720), (120, 2143776), (128, 2009790), (137, 1877760), (144, 1786480), (160, 1607832), (163, 1578240), (180, 1429184), (192, 1339860), (240, 1071888), (256, 1004895), (274, 938880), (288, 893240), (320, 803916), (326, 789120), (360, 714592), (384, 669930), (411, 625920), (480, 535944), (489, 526080), (548, 469440), (576, 446620), (640, 401958), (652, 394560), (685, 375552), (720, 357296), (768, 334965), (815, 315648), (822, 312960), (960, 267972), (978, 263040), (1096, 234720), (1152, 223310), (1233, 208640), (1280, 200979), (1304, 197280), (1370, 187776), (1440, 178648), (1467, 175360), (1630, 157824), (1644, 156480), (1920, 133986), (1956, 131520), (2055, 125184), (2192, 117360), (2304, 111655), (2445, 105216), (2466, 104320), (2608, 98640), (2740, 93888), (2880, 89324), (2934, 87680), (3260, 78912), (3288, 78240), (3840, 66993), (3912, 65760), (4110, 62592), (4384, 58680), (4890, 52608), (4932, 52160), (5216, 49320), (5480, 46944), (5760, 44662), (5868, 43840), (6165, 41728), (6520, 39456), (6576, 39120), (7335, 35072), (7824, 32880), (8220, 31296), (8768, 29340), (9780, 26304), (9864, 26080), (10432, 24660), (10960, 23472), (11520, 22331), (11736, 21920), (12330, 20864), (13040, 19728), (13152, 19560), (14670, 17536), (15648, 16440)]