311627520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 288

約数和(自身を含む): 1130250240

約数和(自身を除く): 818622720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 127, 128, 135, 142, 144, 160, 180, 192, 213, 216, 240, 254, 256, 270, 284, 288, 320, 355, 360, 381, 384, 426, 432, 480, 508, 540, 568, 576, 635, 639, 640, 710, 720, 762, 768, 852, 864, 960, 1016, 1065, 1080, 1136, 1143, 1152, 1270, 1278, 1280, 1420, 1440, 1524, 1704, 1728, 1905, 1917, 1920, 2032, 2130, 2160, 2272, 2286, 2304, 2540, 2556, 2840, 2880, 3048, 3195, 3408, 3429, 3456, 3810, 3834, 3840, 4064, 4260, 4320, 4544, 4572, 5080, 5112, 5680, 5715, 5760, 6096, 6390, 6816, 6858, 6912, 7620, 7668, 8128, 8520, 8640, 9017, 9088, 9144, 9585, 10160, 10224, 11360, 11430, 11520, 12192, 12780, 13632, 13716, 15240, 15336, 16256, 17040, 17145, 17280, 18034, 18176, 18288, 19170, 20320, 20448, 22720, 22860, 24384, 25560, 27051, 27264, 27432, 30480, 30672, 32512, 34080, 34290, 34560, 36068, 36576, 38340, 40640, 40896, 45085, 45440, 45720, 48768, 51120, 54102, 54528, 54864, 60960, 61344, 68160, 68580, 72136, 73152, 76680, 81153, 81280, 81792, 90170, 90880, 91440, 97536, 102240, 108204, 109728, 121920, 122688, 135255, 136320, 137160, 144272, 146304, 153360, 162306, 162560, 163584, 180340, 182880, 204480, 216408, 219456, 243459, 243840, 245376, 270510, 272640, 274320, 288544, 292608, 306720, 324612, 360680, 365760, 405765, 408960, 432816, 438912, 486918, 487680, 490752, 541020, 548640, 577088, 613440, 649224, 721360, 731520, 811530, 817920, 865632, 877824, 973836, 1082040, 1097280, 1154176, 1217295, 1226880, 1298448, 1442720, 1463040, 1623060, 1731264, 1947672, 2164080, 2194560, 2308352, 2434590, 2453760, 2596896, 2885440, 3246120, 3462528, 3895344, 4328160, 4389120, 4869180, 5193792, 5770880, 6492240, 6925056, 7790688, 8656320, 9738360, 10387584, 11541760, 12984480, 15581376, 17312640, 19476720, 20775168, 25968960, 31162752, 34625280, 38953440, 51937920, 62325504, 77906880, 103875840, 155813760, 311627520]

約数ペア:

[(1, 311627520), (2, 155813760), (3, 103875840), (4, 77906880), (5, 62325504), (6, 51937920), (8, 38953440), (9, 34625280), (10, 31162752), (12, 25968960), (15, 20775168), (16, 19476720), (18, 17312640), (20, 15581376), (24, 12984480), (27, 11541760), (30, 10387584), (32, 9738360), (36, 8656320), (40, 7790688), (45, 6925056), (48, 6492240), (54, 5770880), (60, 5193792), (64, 4869180), (71, 4389120), (72, 4328160), (80, 3895344), (90, 3462528), (96, 3246120), (108, 2885440), (120, 2596896), (127, 2453760), (128, 2434590), (135, 2308352), (142, 2194560), (144, 2164080), (160, 1947672), (180, 1731264), (192, 1623060), (213, 1463040), (216, 1442720), (240, 1298448), (254, 1226880), (256, 1217295), (270, 1154176), (284, 1097280), (288, 1082040), (320, 973836), (355, 877824), (360, 865632), (381, 817920), (384, 811530), (426, 731520), (432, 721360), (480, 649224), (508, 613440), (540, 577088), (568, 548640), (576, 541020), (635, 490752), (639, 487680), (640, 486918), (710, 438912), (720, 432816), (762, 408960), (768, 405765), (852, 365760), (864, 360680), (960, 324612), (1016, 306720), (1065, 292608), (1080, 288544), (1136, 274320), (1143, 272640), (1152, 270510), (1270, 245376), (1278, 243840), (1280, 243459), (1420, 219456), (1440, 216408), (1524, 204480), (1704, 182880), (1728, 180340), (1905, 163584), (1917, 162560), (1920, 162306), (2032, 153360), (2130, 146304), (2160, 144272), (2272, 137160), (2286, 136320), (2304, 135255), (2540, 122688), (2556, 121920), (2840, 109728), (2880, 108204), (3048, 102240), (3195, 97536), (3408, 91440), (3429, 90880), (3456, 90170), (3810, 81792), (3834, 81280), (3840, 81153), (4064, 76680), (4260, 73152), (4320, 72136), (4544, 68580), (4572, 68160), (5080, 61344), (5112, 60960), (5680, 54864), (5715, 54528), (5760, 54102), (6096, 51120), (6390, 48768), (6816, 45720), (6858, 45440), (6912, 45085), (7620, 40896), (7668, 40640), (8128, 38340), (8520, 36576), (8640, 36068), (9017, 34560), (9088, 34290), (9144, 34080), (9585, 32512), (10160, 30672), (10224, 30480), (11360, 27432), (11430, 27264), (11520, 27051), (12192, 25560), (12780, 24384), (13632, 22860), (13716, 22720), (15240, 20448), (15336, 20320), (16256, 19170), (17040, 18288), (17145, 18176), (17280, 18034)]