128929920

素因数分解:

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

素因数の和:263

約数の個数: 256

約数和(自身を含む): 481178880

約数和(自身を除く): 352248960

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, 265, 280, 318, 320, 336, 362, 371, 384, 420, 424, 448, 480, 530, 543, 560, 636, 640, 672, 724, 742, 795, 840, 848, 896, 905, 960, 1060, 1086, 1113, 1120, 1267, 1272, 1344, 1448, 1484, 1590, 1680, 1696, 1810, 1855, 1920, 2120, 2172, 2226, 2240, 2534, 2544, 2688, 2715, 2896, 2968, 3180, 3360, 3392, 3620, 3710, 3801, 4240, 4344, 4452, 4480, 5068, 5088, 5430, 5565, 5792, 5936, 6335, 6360, 6720, 6784, 7240, 7420, 7602, 8480, 8688, 8904, 9593, 10136, 10176, 10860, 11130, 11584, 11872, 12670, 12720, 13440, 14480, 14840, 15204, 16960, 17376, 17808, 19005, 19186, 20272, 20352, 21720, 22260, 23168, 23744, 25340, 25440, 28779, 28960, 29680, 30408, 33920, 34752, 35616, 38010, 38372, 40544, 43440, 44520, 47488, 47965, 50680, 50880, 57558, 57920, 59360, 60816, 67151, 69504, 71232, 76020, 76744, 81088, 86880, 89040, 95930, 101360, 101760, 115116, 115840, 118720, 121632, 134302, 142464, 143895, 152040, 153488, 162176, 173760, 178080, 191860, 201453, 202720, 230232, 237440, 243264, 268604, 287790, 304080, 306976, 335755, 347520, 356160, 383720, 402906, 405440, 460464, 486528, 537208, 575580, 608160, 613952, 671510, 712320, 767440, 805812, 810880, 920928, 1007265, 1074416, 1151160, 1216320, 1227904, 1343020, 1534880, 1611624, 1841856, 2014530, 2148832, 2302320, 2432640, 2686040, 3069760, 3223248, 3683712, 4029060, 4297664, 4604640, 5372080, 6139520, 6446496, 8058120, 8595328, 9209280, 10744160, 12892992, 16116240, 18418560, 21488320, 25785984, 32232480, 42976640, 64464960, 128929920]

約数ペア:

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