123505740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{686143}}^1$

素因数の和:686158

約数の個数: 36

約数和(自身を含む): 374634624

約数和(自身を除く): 251128884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 686143, 1372286, 2058429, 2744572, 3430715, 4116858, 6175287, 6861430, 8233716, 10292145, 12350574, 13722860, 20584290, 24701148, 30876435, 41168580, 61752870, 123505740]

約数ペア:

[(1, 123505740), (2, 61752870), (3, 41168580), (4, 30876435), (5, 24701148), (6, 20584290), (9, 13722860), (10, 12350574), (12, 10292145), (15, 8233716), (18, 6861430), (20, 6175287), (30, 4116858), (36, 3430715), (45, 2744572), (60, 2058429), (90, 1372286), (180, 686143)]