81381240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75353}}^1$

素因数の和:75373

約数の個数: 64

約数和(自身を含む): 271274400

約数和(自身を除く): 189893160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75353, 150706, 226059, 301412, 376765, 452118, 602824, 678177, 753530, 904236, 1130295, 1356354, 1507060, 1808472, 2034531, 2260590, 2712708, 3014120, 3390885, 4069062, 4521180, 5425416, 6781770, 8138124, 9042360, 10172655, 13563540, 16276248, 20345310, 27127080, 40690620, 81381240]

約数ペア:

[(1, 81381240), (2, 40690620), (3, 27127080), (4, 20345310), (5, 16276248), (6, 13563540), (8, 10172655), (9, 9042360), (10, 8138124), (12, 6781770), (15, 5425416), (18, 4521180), (20, 4069062), (24, 3390885), (27, 3014120), (30, 2712708), (36, 2260590), (40, 2034531), (45, 1808472), (54, 1507060), (60, 1356354), (72, 1130295), (90, 904236), (108, 753530), (120, 678177), (135, 602824), (180, 452118), (216, 376765), (270, 301412), (360, 226059), (540, 150706), (1080, 75353)]