80028090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1811}}^1$

素因数の和:2315

約数の個数: 48

約数和(自身を含む): 208611936

約数和(自身を除く): 128583846

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 491, 982, 1473, 1811, 2455, 2946, 3622, 4419, 4910, 5433, 7365, 8838, 9055, 10866, 14730, 16299, 18110, 22095, 27165, 32598, 44190, 54330, 81495, 162990, 889201, 1778402, 2667603, 4446005, 5335206, 8002809, 8892010, 13338015, 16005618, 26676030, 40014045, 80028090]

約数ペア:

[(1, 80028090), (2, 40014045), (3, 26676030), (5, 16005618), (6, 13338015), (9, 8892010), (10, 8002809), (15, 5335206), (18, 4446005), (30, 2667603), (45, 1778402), (90, 889201), (491, 162990), (982, 81495), (1473, 54330), (1811, 44190), (2455, 32598), (2946, 27165), (3622, 22095), (4419, 18110), (4910, 16299), (5433, 14730), (7365, 10866), (8838, 9055)]