257683680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 240

約数和(自身を含む): 927566640

約数和(自身を除く): 669882960

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, 59, 60, 72, 80, 81, 90, 96, 108, 118, 120, 135, 144, 160, 162, 177, 180, 216, 236, 240, 270, 288, 295, 324, 337, 354, 360, 405, 432, 472, 480, 531, 540, 590, 648, 674, 708, 720, 810, 864, 885, 944, 1011, 1062, 1080, 1180, 1296, 1348, 1416, 1440, 1593, 1620, 1685, 1770, 1888, 2022, 2124, 2160, 2360, 2592, 2655, 2696, 2832, 3033, 3186, 3240, 3370, 3540, 4044, 4248, 4320, 4720, 4779, 5055, 5310, 5392, 5664, 6066, 6372, 6480, 6740, 7080, 7965, 8088, 8496, 9099, 9440, 9558, 10110, 10620, 10784, 12132, 12744, 12960, 13480, 14160, 15165, 15930, 16176, 16992, 18198, 19116, 19883, 20220, 21240, 23895, 24264, 25488, 26960, 27297, 28320, 30330, 31860, 32352, 36396, 38232, 39766, 40440, 42480, 45495, 47790, 48528, 50976, 53920, 54594, 59649, 60660, 63720, 72792, 76464, 79532, 80880, 84960, 90990, 95580, 97056, 99415, 109188, 119298, 121320, 127440, 136485, 145584, 152928, 159064, 161760, 178947, 181980, 191160, 198830, 218376, 238596, 242640, 254880, 272970, 291168, 298245, 318128, 357894, 363960, 382320, 397660, 436752, 477192, 485280, 536841, 545940, 596490, 636256, 715788, 727920, 764640, 795320, 873504, 894735, 954384, 1073682, 1091880, 1192980, 1431576, 1455840, 1590640, 1610523, 1789470, 1908768, 2147364, 2183760, 2385960, 2684205, 2863152, 3181280, 3221046, 3578940, 4294728, 4367520, 4771920, 5368410, 5726304, 6442092, 7157880, 8052615, 8589456, 9543840, 10736820, 12884184, 14315760, 16105230, 17178912, 21473640, 25768368, 28631520, 32210460, 42947280, 51536736, 64420920, 85894560, 128841840, 257683680]

約数ペア:

[(1, 257683680), (2, 128841840), (3, 85894560), (4, 64420920), (5, 51536736), (6, 42947280), (8, 32210460), (9, 28631520), (10, 25768368), (12, 21473640), (15, 17178912), (16, 16105230), (18, 14315760), (20, 12884184), (24, 10736820), (27, 9543840), (30, 8589456), (32, 8052615), (36, 7157880), (40, 6442092), (45, 5726304), (48, 5368410), (54, 4771920), (59, 4367520), (60, 4294728), (72, 3578940), (80, 3221046), (81, 3181280), (90, 2863152), (96, 2684205), (108, 2385960), (118, 2183760), (120, 2147364), (135, 1908768), (144, 1789470), (160, 1610523), (162, 1590640), (177, 1455840), (180, 1431576), (216, 1192980), (236, 1091880), (240, 1073682), (270, 954384), (288, 894735), (295, 873504), (324, 795320), (337, 764640), (354, 727920), (360, 715788), (405, 636256), (432, 596490), (472, 545940), (480, 536841), (531, 485280), (540, 477192), (590, 436752), (648, 397660), (674, 382320), (708, 363960), (720, 357894), (810, 318128), (864, 298245), (885, 291168), (944, 272970), (1011, 254880), (1062, 242640), (1080, 238596), (1180, 218376), (1296, 198830), (1348, 191160), (1416, 181980), (1440, 178947), (1593, 161760), (1620, 159064), (1685, 152928), (1770, 145584), (1888, 136485), (2022, 127440), (2124, 121320), (2160, 119298), (2360, 109188), (2592, 99415), (2655, 97056), (2696, 95580), (2832, 90990), (3033, 84960), (3186, 80880), (3240, 79532), (3370, 76464), (3540, 72792), (4044, 63720), (4248, 60660), (4320, 59649), (4720, 54594), (4779, 53920), (5055, 50976), (5310, 48528), (5392, 47790), (5664, 45495), (6066, 42480), (6372, 40440), (6480, 39766), (6740, 38232), (7080, 36396), (7965, 32352), (8088, 31860), (8496, 30330), (9099, 28320), (9440, 27297), (9558, 26960), (10110, 25488), (10620, 24264), (10784, 23895), (12132, 21240), (12744, 20220), (12960, 19883), (13480, 19116), (14160, 18198), (15165, 16992), (15930, 16176)]