245857920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1703

約数の個数: 256

約数和(自身を含む): 977633280

約数和(自身を除く): 731775360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1540, 1663, 1680, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 3080, 3326, 3360, 3520, 3696, 4224, 4480, 4620, 4928, 4989, 5280, 6160, 6652, 6720, 7040, 7392, 8315, 9240, 9856, 9978, 10560, 11641, 12320, 13304, 13440, 14784, 16630, 18293, 18480, 19956, 21120, 23282, 24640, 24945, 26608, 29568, 33260, 34923, 36586, 36960, 39912, 46564, 49280, 49890, 53216, 54879, 58205, 66520, 69846, 73172, 73920, 79824, 91465, 93128, 99780, 106432, 109758, 116410, 128051, 133040, 139692, 146344, 147840, 159648, 174615, 182930, 186256, 199560, 212864, 219516, 232820, 256102, 266080, 274395, 279384, 292688, 319296, 349230, 365860, 372512, 384153, 399120, 439032, 465640, 512204, 532160, 548790, 558768, 585376, 638592, 640255, 698460, 731720, 745024, 768306, 798240, 878064, 931280, 1024408, 1064320, 1097580, 1117536, 1170752, 1280510, 1396920, 1463440, 1490048, 1536612, 1596480, 1756128, 1862560, 1920765, 2048816, 2195160, 2235072, 2341504, 2561020, 2793840, 2926880, 3073224, 3192960, 3512256, 3725120, 3841530, 4097632, 4390320, 4470144, 5122040, 5587680, 5853760, 6146448, 7024512, 7450240, 7683060, 8195264, 8780640, 10244080, 11175360, 11707520, 12292896, 15366120, 16390528, 17561280, 20488160, 22350720, 24585792, 30732240, 35122560, 40976320, 49171584, 61464480, 81952640, 122928960, 245857920]

約数ペア:

[(1, 245857920), (2, 122928960), (3, 81952640), (4, 61464480), (5, 49171584), (6, 40976320), (7, 35122560), (8, 30732240), (10, 24585792), (11, 22350720), (12, 20488160), (14, 17561280), (15, 16390528), (16, 15366120), (20, 12292896), (21, 11707520), (22, 11175360), (24, 10244080), (28, 8780640), (30, 8195264), (32, 7683060), (33, 7450240), (35, 7024512), (40, 6146448), (42, 5853760), (44, 5587680), (48, 5122040), (55, 4470144), (56, 4390320), (60, 4097632), (64, 3841530), (66, 3725120), (70, 3512256), (77, 3192960), (80, 3073224), (84, 2926880), (88, 2793840), (96, 2561020), (105, 2341504), (110, 2235072), (112, 2195160), (120, 2048816), (128, 1920765), (132, 1862560), (140, 1756128), (154, 1596480), (160, 1536612), (165, 1490048), (168, 1463440), (176, 1396920), (192, 1280510), (210, 1170752), (220, 1117536), (224, 1097580), (231, 1064320), (240, 1024408), (264, 931280), (280, 878064), (308, 798240), (320, 768306), (330, 745024), (336, 731720), (352, 698460), (384, 640255), (385, 638592), (420, 585376), (440, 558768), (448, 548790), (462, 532160), (480, 512204), (528, 465640), (560, 439032), (616, 399120), (640, 384153), (660, 372512), (672, 365860), (704, 349230), (770, 319296), (840, 292688), (880, 279384), (896, 274395), (924, 266080), (960, 256102), (1056, 232820), (1120, 219516), (1155, 212864), (1232, 199560), (1320, 186256), (1344, 182930), (1408, 174615), (1540, 159648), (1663, 147840), (1680, 146344), (1760, 139692), (1848, 133040), (1920, 128051), (2112, 116410), (2240, 109758), (2310, 106432), (2464, 99780), (2640, 93128), (2688, 91465), (3080, 79824), (3326, 73920), (3360, 73172), (3520, 69846), (3696, 66520), (4224, 58205), (4480, 54879), (4620, 53216), (4928, 49890), (4989, 49280), (5280, 46564), (6160, 39912), (6652, 36960), (6720, 36586), (7040, 34923), (7392, 33260), (8315, 29568), (9240, 26608), (9856, 24945), (9978, 24640), (10560, 23282), (11641, 21120), (12320, 19956), (13304, 18480), (13440, 18293), (14784, 16630)]