55387980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307711}}^1$

素因数の和:307726

約数の個数: 36

約数和(自身を含む): 168010752

約数和(自身を除く): 112622772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307711, 615422, 923133, 1230844, 1538555, 1846266, 2769399, 3077110, 3692532, 4615665, 5538798, 6154220, 9231330, 11077596, 13846995, 18462660, 27693990, 55387980]

約数ペア:

[(1, 55387980), (2, 27693990), (3, 18462660), (4, 13846995), (5, 11077596), (6, 9231330), (9, 6154220), (10, 5538798), (12, 4615665), (15, 3692532), (18, 3077110), (20, 2769399), (30, 1846266), (36, 1538555), (45, 1230844), (60, 923133), (90, 615422), (180, 307711)]