18218160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25303}}^1$

素因数の和:25322

約数の個数: 60

約数和(自身を含む): 61185072

約数和(自身を除く): 42966912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25303, 50606, 75909, 101212, 126515, 151818, 202424, 227727, 253030, 303636, 379545, 404848, 455454, 506060, 607272, 759090, 910908, 1012120, 1138635, 1214544, 1518180, 1821816, 2024240, 2277270, 3036360, 3643632, 4554540, 6072720, 9109080, 18218160]

約数ペア:

[(1, 18218160), (2, 9109080), (3, 6072720), (4, 4554540), (5, 3643632), (6, 3036360), (8, 2277270), (9, 2024240), (10, 1821816), (12, 1518180), (15, 1214544), (16, 1138635), (18, 1012120), (20, 910908), (24, 759090), (30, 607272), (36, 506060), (40, 455454), (45, 404848), (48, 379545), (60, 303636), (72, 253030), (80, 227727), (90, 202424), (120, 151818), (144, 126515), (180, 101212), (240, 75909), (360, 50606), (720, 25303)]