891180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4951}}^1$

素因数の和:4966

約数の個数: 36

約数和(自身を含む): 2703792

約数和(自身を除く): 1812612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4951, 9902, 14853, 19804, 24755, 29706, 44559, 49510, 59412, 74265, 89118, 99020, 148530, 178236, 222795, 297060, 445590, 891180]

約数ペア:

[(1, 891180), (2, 445590), (3, 297060), (4, 222795), (5, 178236), (6, 148530), (9, 99020), (10, 89118), (12, 74265), (15, 59412), (18, 49510), (20, 44559), (30, 29706), (36, 24755), (45, 19804), (60, 14853), (90, 9902), (180, 4951)]