87870780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488171}}^1$

素因数の和:488186

約数の個数: 36

約数和(自身を含む): 266541912

約数和(自身を除く): 178671132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488171, 976342, 1464513, 1952684, 2440855, 2929026, 4393539, 4881710, 5858052, 7322565, 8787078, 9763420, 14645130, 17574156, 21967695, 29290260, 43935390, 87870780]

約数ペア:

[(1, 87870780), (2, 43935390), (3, 29290260), (4, 21967695), (5, 17574156), (6, 14645130), (9, 9763420), (10, 8787078), (12, 7322565), (15, 5858052), (18, 4881710), (20, 4393539), (30, 2929026), (36, 2440855), (45, 1952684), (60, 1464513), (90, 976342), (180, 488171)]