81984960

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{3163}}^1$

素因数の和:3192

約数の個数: 140

約数和(自身を含む): 291727128

約数和(自身を除く): 209742168

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3163, 3240, 4320, 5184, 6326, 6480, 8640, 9489, 12652, 12960, 15815, 18978, 25304, 25920, 28467, 31630, 37956, 47445, 50608, 56934, 63260, 75912, 85401, 94890, 101216, 113868, 126520, 142335, 151824, 170802, 189780, 202432, 227736, 253040, 256203, 284670, 303648, 341604, 379560, 427005, 455472, 506080, 512406, 569340, 607296, 683208, 759120, 854010, 910944, 1012160, 1024812, 1138680, 1281015, 1366416, 1518240, 1708020, 1821888, 2049624, 2277360, 2562030, 2732832, 3036480, 3416040, 4099248, 4554720, 5124060, 5465664, 6832080, 8198496, 9109440, 10248120, 13664160, 16396992, 20496240, 27328320, 40992480, 81984960]

約数ペア:

[(1, 81984960), (2, 40992480), (3, 27328320), (4, 20496240), (5, 16396992), (6, 13664160), (8, 10248120), (9, 9109440), (10, 8198496), (12, 6832080), (15, 5465664), (16, 5124060), (18, 4554720), (20, 4099248), (24, 3416040), (27, 3036480), (30, 2732832), (32, 2562030), (36, 2277360), (40, 2049624), (45, 1821888), (48, 1708020), (54, 1518240), (60, 1366416), (64, 1281015), (72, 1138680), (80, 1024812), (81, 1012160), (90, 910944), (96, 854010), (108, 759120), (120, 683208), (135, 607296), (144, 569340), (160, 512406), (162, 506080), (180, 455472), (192, 427005), (216, 379560), (240, 341604), (270, 303648), (288, 284670), (320, 256203), (324, 253040), (360, 227736), (405, 202432), (432, 189780), (480, 170802), (540, 151824), (576, 142335), (648, 126520), (720, 113868), (810, 101216), (864, 94890), (960, 85401), (1080, 75912), (1296, 63260), (1440, 56934), (1620, 50608), (1728, 47445), (2160, 37956), (2592, 31630), (2880, 28467), (3163, 25920), (3240, 25304), (4320, 18978), (5184, 15815), (6326, 12960), (6480, 12652), (8640, 9489)]