138394980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{85429}}^1$

素因数の和:85450

約数の個数: 60

約数和(自身を含む): 434155260

約数和(自身を除く): 295760280

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, 85429, 170858, 256287, 341716, 427145, 512574, 768861, 854290, 1025148, 1281435, 1537722, 1708580, 2306583, 2562870, 3075444, 3844305, 4613166, 5125740, 6919749, 7688610, 9226332, 11532915, 13839498, 15377220, 23065830, 27678996, 34598745, 46131660, 69197490, 138394980]

約数ペア:

[(1, 138394980), (2, 69197490), (3, 46131660), (4, 34598745), (5, 27678996), (6, 23065830), (9, 15377220), (10, 13839498), (12, 11532915), (15, 9226332), (18, 7688610), (20, 6919749), (27, 5125740), (30, 4613166), (36, 3844305), (45, 3075444), (54, 2562870), (60, 2306583), (81, 1708580), (90, 1537722), (108, 1281435), (135, 1025148), (162, 854290), (180, 768861), (270, 512574), (324, 427145), (405, 341716), (540, 256287), (810, 170858), (1620, 85429)]