56127780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311821}}^1$

素因数の和:311836

約数の個数: 36

約数和(自身を含む): 170254812

約数和(自身を除く): 114127032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311821, 623642, 935463, 1247284, 1559105, 1870926, 2806389, 3118210, 3741852, 4677315, 5612778, 6236420, 9354630, 11225556, 14031945, 18709260, 28063890, 56127780]

約数ペア:

[(1, 56127780), (2, 28063890), (3, 18709260), (4, 14031945), (5, 11225556), (6, 9354630), (9, 6236420), (10, 5612778), (12, 4677315), (15, 3741852), (18, 3118210), (20, 2806389), (30, 1870926), (36, 1559105), (45, 1247284), (60, 935463), (90, 623642), (180, 311821)]