54485820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{719}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 165896640

約数和(自身を除く): 111410820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 719, 842, 1263, 1438, 1684, 2105, 2157, 2526, 2876, 3595, 3789, 4210, 4314, 5052, 6315, 6471, 7190, 7578, 8420, 8628, 10785, 12630, 12942, 14380, 15156, 18945, 21570, 25260, 25884, 32355, 37890, 43140, 64710, 75780, 129420, 302699, 605398, 908097, 1210796, 1513495, 1816194, 2724291, 3026990, 3632388, 4540485, 5448582, 6053980, 9080970, 10897164, 13621455, 18161940, 27242910, 54485820]

約数ペア:

[(1, 54485820), (2, 27242910), (3, 18161940), (4, 13621455), (5, 10897164), (6, 9080970), (9, 6053980), (10, 5448582), (12, 4540485), (15, 3632388), (18, 3026990), (20, 2724291), (30, 1816194), (36, 1513495), (45, 1210796), (60, 908097), (90, 605398), (180, 302699), (421, 129420), (719, 75780), (842, 64710), (1263, 43140), (1438, 37890), (1684, 32355), (2105, 25884), (2157, 25260), (2526, 21570), (2876, 18945), (3595, 15156), (3789, 14380), (4210, 12942), (4314, 12630), (5052, 10785), (6315, 8628), (6471, 8420), (7190, 7578)]