131289660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{81043}}^1$

素因数の和:81064

約数の個数: 60

約数和(自身を含む): 411865608

約数和(自身を除く): 280575948

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, 81043, 162086, 243129, 324172, 405215, 486258, 729387, 810430, 972516, 1215645, 1458774, 1620860, 2188161, 2431290, 2917548, 3646935, 4376322, 4862580, 6564483, 7293870, 8752644, 10940805, 13128966, 14587740, 21881610, 26257932, 32822415, 43763220, 65644830, 131289660]

約数ペア:

[(1, 131289660), (2, 65644830), (3, 43763220), (4, 32822415), (5, 26257932), (6, 21881610), (9, 14587740), (10, 13128966), (12, 10940805), (15, 8752644), (18, 7293870), (20, 6564483), (27, 4862580), (30, 4376322), (36, 3646935), (45, 2917548), (54, 2431290), (60, 2188161), (81, 1620860), (90, 1458774), (108, 1215645), (135, 972516), (162, 810430), (180, 729387), (270, 486258), (324, 405215), (405, 324172), (540, 243129), (810, 162086), (1620, 81043)]