211051980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{130279}}^1$

素因数の和:130300

約数の個数: 60

約数和(自身を含む): 662082960

約数和(自身を除く): 451030980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 130279, 260558, 390837, 521116, 651395, 781674, 1172511, 1302790, 1563348, 1954185, 2345022, 2605580, 3517533, 3908370, 4690044, 5862555, 7035066, 7816740, 10552599, 11725110, 14070132, 17587665, 21105198, 23450220, 35175330, 42210396, 52762995, 70350660, 105525990, 211051980]

約数ペア:

[(1, 211051980), (2, 105525990), (3, 70350660), (4, 52762995), (5, 42210396), (6, 35175330), (9, 23450220), (10, 21105198), (12, 17587665), (15, 14070132), (18, 11725110), (20, 10552599), (27, 7816740), (30, 7035066), (36, 5862555), (45, 4690044), (54, 3908370), (60, 3517533), (81, 2605580), (90, 2345022), (108, 1954185), (135, 1563348), (162, 1302790), (180, 1172511), (270, 781674), (324, 651395), (405, 521116), (540, 390837), (810, 260558), (1620, 130279)]