81367740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50227}}^1$

素因数の和:50248

約数の個数: 60

約数和(自身を含む): 255258696

約数和(自身を除く): 173890956

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, 50227, 100454, 150681, 200908, 251135, 301362, 452043, 502270, 602724, 753405, 904086, 1004540, 1356129, 1506810, 1808172, 2260215, 2712258, 3013620, 4068387, 4520430, 5424516, 6780645, 8136774, 9040860, 13561290, 16273548, 20341935, 27122580, 40683870, 81367740]

約数ペア:

[(1, 81367740), (2, 40683870), (3, 27122580), (4, 20341935), (5, 16273548), (6, 13561290), (9, 9040860), (10, 8136774), (12, 6780645), (15, 5424516), (18, 4520430), (20, 4068387), (27, 3013620), (30, 2712258), (36, 2260215), (45, 1808172), (54, 1506810), (60, 1356129), (81, 1004540), (90, 904086), (108, 753405), (135, 602724), (162, 502270), (180, 452043), (270, 301362), (324, 251135), (405, 200908), (540, 150681), (810, 100454), (1620, 50227)]