131718960

素因数分解:

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

素因数の和:20352

約数の個数: 100

約数和(自身を含む): 457501968

約数和(自身を除く): 325783008

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 20327, 40654, 60981, 81308, 101635, 121962, 162616, 182943, 203270, 243924, 304905, 325232, 365886, 406540, 487848, 548829, 609810, 731772, 813080, 914715, 975696, 1097658, 1219620, 1463544, 1626160, 1646487, 1829430, 2195316, 2439240, 2744145, 2927088, 3292974, 3658860, 4390632, 4878480, 5488290, 6585948, 7317720, 8232435, 8781264, 10976580, 13171896, 14635440, 16464870, 21953160, 26343792, 32929740, 43906320, 65859480, 131718960]

約数ペア:

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