77772120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{648101}}^1$

素因数の和:648115

約数の個数: 32

約数和(自身を含む): 233316720

約数和(自身を除く): 155544600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 648101, 1296202, 1944303, 2592404, 3240505, 3888606, 5184808, 6481010, 7777212, 9721515, 12962020, 15554424, 19443030, 25924040, 38886060, 77772120]

約数ペア:

[(1, 77772120), (2, 38886060), (3, 25924040), (4, 19443030), (5, 15554424), (6, 12962020), (8, 9721515), (10, 7777212), (12, 6481010), (15, 5184808), (20, 3888606), (24, 3240505), (30, 2592404), (40, 1944303), (60, 1296202), (120, 648101)]