181316880

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{3109}}^1$

素因数の和:3140

約数の個数: 140

約数和(自身を含む): 632256780

約数和(自身を除く): 450939900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3109, 3240, 3645, 3888, 4860, 5832, 6218, 6480, 7290, 9327, 9720, 11664, 12436, 14580, 15545, 18654, 19440, 24872, 27981, 29160, 31090, 37308, 46635, 49744, 55962, 58320, 62180, 74616, 83943, 93270, 111924, 124360, 139905, 149232, 167886, 186540, 223848, 248720, 251829, 279810, 335772, 373080, 419715, 447696, 503658, 559620, 671544, 746160, 755487, 839430, 1007316, 1119240, 1259145, 1343088, 1510974, 1678860, 2014632, 2238480, 2266461, 2518290, 3021948, 3357720, 3777435, 4029264, 4532922, 5036580, 6043896, 6715440, 7554870, 9065844, 10073160, 11332305, 12087792, 15109740, 18131688, 20146320, 22664610, 30219480, 36263376, 45329220, 60438960, 90658440, 181316880]

約数ペア:

[(1, 181316880), (2, 90658440), (3, 60438960), (4, 45329220), (5, 36263376), (6, 30219480), (8, 22664610), (9, 20146320), (10, 18131688), (12, 15109740), (15, 12087792), (16, 11332305), (18, 10073160), (20, 9065844), (24, 7554870), (27, 6715440), (30, 6043896), (36, 5036580), (40, 4532922), (45, 4029264), (48, 3777435), (54, 3357720), (60, 3021948), (72, 2518290), (80, 2266461), (81, 2238480), (90, 2014632), (108, 1678860), (120, 1510974), (135, 1343088), (144, 1259145), (162, 1119240), (180, 1007316), (216, 839430), (240, 755487), (243, 746160), (270, 671544), (324, 559620), (360, 503658), (405, 447696), (432, 419715), (486, 373080), (540, 335772), (648, 279810), (720, 251829), (729, 248720), (810, 223848), (972, 186540), (1080, 167886), (1215, 149232), (1296, 139905), (1458, 124360), (1620, 111924), (1944, 93270), (2160, 83943), (2430, 74616), (2916, 62180), (3109, 58320), (3240, 55962), (3645, 49744), (3888, 46635), (4860, 37308), (5832, 31090), (6218, 29160), (6480, 27981), (7290, 24872), (9327, 19440), (9720, 18654), (11664, 15545), (12436, 14580)]