31117860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{172877}}^1$

素因数の和:172892

約数の個数: 36

約数和(自身を含む): 94391388

約数和(自身を除く): 63273528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 172877, 345754, 518631, 691508, 864385, 1037262, 1555893, 1728770, 2074524, 2593155, 3111786, 3457540, 5186310, 6223572, 7779465, 10372620, 15558930, 31117860]

約数ペア:

[(1, 31117860), (2, 15558930), (3, 10372620), (4, 7779465), (5, 6223572), (6, 5186310), (9, 3457540), (10, 3111786), (12, 2593155), (15, 2074524), (18, 1728770), (20, 1555893), (30, 1037262), (36, 864385), (45, 691508), (60, 518631), (90, 345754), (180, 172877)]