21297355920

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{121727}}^1$

素因数の和:121761

約数の個数: 160

約数和(自身を含む): 74263818240

約数和(自身を除く): 52966462320

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, 2187, 2430, 2916, 3240, 3645, 3888, 4374, 4860, 5832, 6480, 7290, 8748, 9720, 10935, 11664, 14580, 17496, 19440, 21870, 29160, 34992, 43740, 58320, 87480, 121727, 174960, 243454, 365181, 486908, 608635, 730362, 973816, 1095543, 1217270, 1460724, 1825905, 1947632, 2191086, 2434540, 2921448, 3286629, 3651810, 4382172, 4869080, 5477715, 5842896, 6573258, 7303620, 8764344, 9738160, 9859887, 10955430, 13146516, 14607240, 16433145, 17528688, 19719774, 21910860, 26293032, 29214480, 29579661, 32866290, 39439548, 43821720, 49299435, 52586064, 59159322, 65732580, 78879096, 87643440, 88738983, 98598870, 118318644, 131465160, 147898305, 157758192, 177477966, 197197740, 236637288, 262930320, 266216949, 295796610, 354955932, 394395480, 443694915, 473274576, 532433898, 591593220, 709911864, 788790960, 887389830, 1064867796, 1183186440, 1331084745, 1419823728, 1774779660, 2129735592, 2366372880, 2662169490, 3549559320, 4259471184, 5324338980, 7099118640, 10648677960, 21297355920]

約数ペア:

[(1, 21297355920), (2, 10648677960), (3, 7099118640), (4, 5324338980), (5, 4259471184), (6, 3549559320), (8, 2662169490), (9, 2366372880), (10, 2129735592), (12, 1774779660), (15, 1419823728), (16, 1331084745), (18, 1183186440), (20, 1064867796), (24, 887389830), (27, 788790960), (30, 709911864), (36, 591593220), (40, 532433898), (45, 473274576), (48, 443694915), (54, 394395480), (60, 354955932), (72, 295796610), (80, 266216949), (81, 262930320), (90, 236637288), (108, 197197740), (120, 177477966), (135, 157758192), (144, 147898305), (162, 131465160), (180, 118318644), (216, 98598870), (240, 88738983), (243, 87643440), (270, 78879096), (324, 65732580), (360, 59159322), (405, 52586064), (432, 49299435), (486, 43821720), (540, 39439548), (648, 32866290), (720, 29579661), (729, 29214480), (810, 26293032), (972, 21910860), (1080, 19719774), (1215, 17528688), (1296, 16433145), (1458, 14607240), (1620, 13146516), (1944, 10955430), (2160, 9859887), (2187, 9738160), (2430, 8764344), (2916, 7303620), (3240, 6573258), (3645, 5842896), (3888, 5477715), (4374, 4869080), (4860, 4382172), (5832, 3651810), (6480, 3286629), (7290, 2921448), (8748, 2434540), (9720, 2191086), (10935, 1947632), (11664, 1825905), (14580, 1460724), (17496, 1217270), (19440, 1095543), (21870, 973816), (29160, 730362), (34992, 608635), (43740, 486908), (58320, 365181), (87480, 243454), (121727, 174960)]