80818560

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{1559}}^1$

素因数の和:1590

約数の個数: 160

約数和(自身を含む): 288802800

約数和(自身を除く): 207984240

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, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1559, 1620, 1728, 1920, 2160, 2592, 2880, 3118, 3240, 3456, 4320, 4677, 5184, 5760, 6236, 6480, 7795, 8640, 9354, 10368, 12472, 12960, 14031, 15590, 17280, 18708, 23385, 24944, 25920, 28062, 31180, 37416, 42093, 46770, 49888, 51840, 56124, 62360, 70155, 74832, 84186, 93540, 99776, 112248, 124720, 126279, 140310, 149664, 168372, 187080, 199552, 210465, 224496, 249440, 252558, 280620, 299328, 336744, 374160, 420930, 448992, 498880, 505116, 561240, 598656, 631395, 673488, 748320, 841860, 897984, 997760, 1010232, 1122480, 1262790, 1346976, 1496640, 1683720, 1795968, 2020464, 2244960, 2525580, 2693952, 2993280, 3367440, 4040928, 4489920, 5051160, 5387904, 6734880, 8081856, 8979840, 10102320, 13469760, 16163712, 20204640, 26939520, 40409280, 80818560]

約数ペア:

[(1, 80818560), (2, 40409280), (3, 26939520), (4, 20204640), (5, 16163712), (6, 13469760), (8, 10102320), (9, 8979840), (10, 8081856), (12, 6734880), (15, 5387904), (16, 5051160), (18, 4489920), (20, 4040928), (24, 3367440), (27, 2993280), (30, 2693952), (32, 2525580), (36, 2244960), (40, 2020464), (45, 1795968), (48, 1683720), (54, 1496640), (60, 1346976), (64, 1262790), (72, 1122480), (80, 1010232), (81, 997760), (90, 897984), (96, 841860), (108, 748320), (120, 673488), (128, 631395), (135, 598656), (144, 561240), (160, 505116), (162, 498880), (180, 448992), (192, 420930), (216, 374160), (240, 336744), (270, 299328), (288, 280620), (320, 252558), (324, 249440), (360, 224496), (384, 210465), (405, 199552), (432, 187080), (480, 168372), (540, 149664), (576, 140310), (640, 126279), (648, 124720), (720, 112248), (810, 99776), (864, 93540), (960, 84186), (1080, 74832), (1152, 70155), (1296, 62360), (1440, 56124), (1559, 51840), (1620, 49888), (1728, 46770), (1920, 42093), (2160, 37416), (2592, 31180), (2880, 28062), (3118, 25920), (3240, 24944), (3456, 23385), (4320, 18708), (4677, 17280), (5184, 15590), (5760, 14031), (6236, 12960), (6480, 12472), (7795, 10368), (8640, 9354)]