221580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1231}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 672672

約数和(自身を除く): 451092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1231, 2462, 3693, 4924, 6155, 7386, 11079, 12310, 14772, 18465, 22158, 24620, 36930, 44316, 55395, 73860, 110790, 221580]

約数ペア:

[(1, 221580), (2, 110790), (3, 73860), (4, 55395), (5, 44316), (6, 36930), (9, 24620), (10, 22158), (12, 18465), (15, 14772), (18, 12310), (20, 11079), (30, 7386), (36, 6155), (45, 4924), (60, 3693), (90, 2462), (180, 1231)]