263437920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{20327}}^1$

素因数の和:20354

約数の個数: 120

約数和(自身を含む): 929762064

約数和(自身を除く): 666324144

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 20327, 40654, 60981, 81308, 101635, 121962, 162616, 182943, 203270, 243924, 304905, 325232, 365886, 406540, 487848, 548829, 609810, 650464, 731772, 813080, 914715, 975696, 1097658, 1219620, 1463544, 1626160, 1646487, 1829430, 1951392, 2195316, 2439240, 2744145, 2927088, 3252320, 3292974, 3658860, 4390632, 4878480, 5488290, 5854176, 6585948, 7317720, 8232435, 8781264, 9756960, 10976580, 13171896, 14635440, 16464870, 17562528, 21953160, 26343792, 29270880, 32929740, 43906320, 52687584, 65859480, 87812640, 131718960, 263437920]

約数ペア:

[(1, 263437920), (2, 131718960), (3, 87812640), (4, 65859480), (5, 52687584), (6, 43906320), (8, 32929740), (9, 29270880), (10, 26343792), (12, 21953160), (15, 17562528), (16, 16464870), (18, 14635440), (20, 13171896), (24, 10976580), (27, 9756960), (30, 8781264), (32, 8232435), (36, 7317720), (40, 6585948), (45, 5854176), (48, 5488290), (54, 4878480), (60, 4390632), (72, 3658860), (80, 3292974), (81, 3252320), (90, 2927088), (96, 2744145), (108, 2439240), (120, 2195316), (135, 1951392), (144, 1829430), (160, 1646487), (162, 1626160), (180, 1463544), (216, 1219620), (240, 1097658), (270, 975696), (288, 914715), (324, 813080), (360, 731772), (405, 650464), (432, 609810), (480, 548829), (540, 487848), (648, 406540), (720, 365886), (810, 325232), (864, 304905), (1080, 243924), (1296, 203270), (1440, 182943), (1620, 162616), (2160, 121962), (2592, 101635), (3240, 81308), (4320, 60981), (6480, 40654), (12960, 20327)]