661140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3673}}^1$

素因数の和:3688

約数の個数: 36

約数和(自身を含む): 2006004

約数和(自身を除く): 1344864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3673, 7346, 11019, 14692, 18365, 22038, 33057, 36730, 44076, 55095, 66114, 73460, 110190, 132228, 165285, 220380, 330570, 661140]

約数ペア:

[(1, 661140), (2, 330570), (3, 220380), (4, 165285), (5, 132228), (6, 110190), (9, 73460), (10, 66114), (12, 55095), (15, 44076), (18, 36730), (20, 33057), (30, 22038), (36, 18365), (45, 14692), (60, 11019), (90, 7346), (180, 3673)]