55890180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{310501}}^1$

素因数の和:310516

約数の個数: 36

約数和(自身を含む): 169534092

約数和(自身を除く): 113643912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 310501, 621002, 931503, 1242004, 1552505, 1863006, 2794509, 3105010, 3726012, 4657515, 5589018, 6210020, 9315030, 11178036, 13972545, 18630060, 27945090, 55890180]

約数ペア:

[(1, 55890180), (2, 27945090), (3, 18630060), (4, 13972545), (5, 11178036), (6, 9315030), (9, 6210020), (10, 5589018), (12, 4657515), (15, 3726012), (18, 3105010), (20, 2794509), (30, 1863006), (36, 1552505), (45, 1242004), (60, 931503), (90, 621002), (180, 310501)]