257859840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 288

約数和(自身を含む): 964244736

約数和(自身を除く): 706384896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 128, 140, 159, 160, 168, 181, 192, 210, 212, 224, 240, 256, 265, 280, 318, 320, 336, 362, 371, 384, 420, 424, 448, 480, 530, 543, 560, 636, 640, 672, 724, 742, 768, 795, 840, 848, 896, 905, 960, 1060, 1086, 1113, 1120, 1267, 1272, 1280, 1344, 1448, 1484, 1590, 1680, 1696, 1792, 1810, 1855, 1920, 2120, 2172, 2226, 2240, 2534, 2544, 2688, 2715, 2896, 2968, 3180, 3360, 3392, 3620, 3710, 3801, 3840, 4240, 4344, 4452, 4480, 5068, 5088, 5376, 5430, 5565, 5792, 5936, 6335, 6360, 6720, 6784, 7240, 7420, 7602, 8480, 8688, 8904, 8960, 9593, 10136, 10176, 10860, 11130, 11584, 11872, 12670, 12720, 13440, 13568, 14480, 14840, 15204, 16960, 17376, 17808, 19005, 19186, 20272, 20352, 21720, 22260, 23168, 23744, 25340, 25440, 26880, 28779, 28960, 29680, 30408, 33920, 34752, 35616, 38010, 38372, 40544, 40704, 43440, 44520, 46336, 47488, 47965, 50680, 50880, 57558, 57920, 59360, 60816, 67151, 67840, 69504, 71232, 76020, 76744, 81088, 86880, 89040, 94976, 95930, 101360, 101760, 115116, 115840, 118720, 121632, 134302, 139008, 142464, 143895, 152040, 153488, 162176, 173760, 178080, 191860, 201453, 202720, 203520, 230232, 231680, 237440, 243264, 268604, 284928, 287790, 304080, 306976, 324352, 335755, 347520, 356160, 383720, 402906, 405440, 460464, 474880, 486528, 537208, 575580, 608160, 613952, 671510, 695040, 712320, 767440, 805812, 810880, 920928, 973056, 1007265, 1074416, 1151160, 1216320, 1227904, 1343020, 1424640, 1534880, 1611624, 1621760, 1841856, 2014530, 2148832, 2302320, 2432640, 2455808, 2686040, 3069760, 3223248, 3683712, 4029060, 4297664, 4604640, 4865280, 5372080, 6139520, 6446496, 7367424, 8058120, 8595328, 9209280, 10744160, 12279040, 12892992, 16116240, 17190656, 18418560, 21488320, 25785984, 32232480, 36837120, 42976640, 51571968, 64464960, 85953280, 128929920, 257859840]

約数ペア:

[(1, 257859840), (2, 128929920), (3, 85953280), (4, 64464960), (5, 51571968), (6, 42976640), (7, 36837120), (8, 32232480), (10, 25785984), (12, 21488320), (14, 18418560), (15, 17190656), (16, 16116240), (20, 12892992), (21, 12279040), (24, 10744160), (28, 9209280), (30, 8595328), (32, 8058120), (35, 7367424), (40, 6446496), (42, 6139520), (48, 5372080), (53, 4865280), (56, 4604640), (60, 4297664), (64, 4029060), (70, 3683712), (80, 3223248), (84, 3069760), (96, 2686040), (105, 2455808), (106, 2432640), (112, 2302320), (120, 2148832), (128, 2014530), (140, 1841856), (159, 1621760), (160, 1611624), (168, 1534880), (181, 1424640), (192, 1343020), (210, 1227904), (212, 1216320), (224, 1151160), (240, 1074416), (256, 1007265), (265, 973056), (280, 920928), (318, 810880), (320, 805812), (336, 767440), (362, 712320), (371, 695040), (384, 671510), (420, 613952), (424, 608160), (448, 575580), (480, 537208), (530, 486528), (543, 474880), (560, 460464), (636, 405440), (640, 402906), (672, 383720), (724, 356160), (742, 347520), (768, 335755), (795, 324352), (840, 306976), (848, 304080), (896, 287790), (905, 284928), (960, 268604), (1060, 243264), (1086, 237440), (1113, 231680), (1120, 230232), (1267, 203520), (1272, 202720), (1280, 201453), (1344, 191860), (1448, 178080), (1484, 173760), (1590, 162176), (1680, 153488), (1696, 152040), (1792, 143895), (1810, 142464), (1855, 139008), (1920, 134302), (2120, 121632), (2172, 118720), (2226, 115840), (2240, 115116), (2534, 101760), (2544, 101360), (2688, 95930), (2715, 94976), (2896, 89040), (2968, 86880), (3180, 81088), (3360, 76744), (3392, 76020), (3620, 71232), (3710, 69504), (3801, 67840), (3840, 67151), (4240, 60816), (4344, 59360), (4452, 57920), (4480, 57558), (5068, 50880), (5088, 50680), (5376, 47965), (5430, 47488), (5565, 46336), (5792, 44520), (5936, 43440), (6335, 40704), (6360, 40544), (6720, 38372), (6784, 38010), (7240, 35616), (7420, 34752), (7602, 33920), (8480, 30408), (8688, 29680), (8904, 28960), (8960, 28779), (9593, 26880), (10136, 25440), (10176, 25340), (10860, 23744), (11130, 23168), (11584, 22260), (11872, 21720), (12670, 20352), (12720, 20272), (13440, 19186), (13568, 19005), (14480, 17808), (14840, 17376), (15204, 16960)]