287991180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{533317}}^1$

素因数の和:533335

約数の個数: 48

約数和(自身を含む): 895974240

約数和(自身を除く): 607983060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 533317, 1066634, 1599951, 2133268, 2666585, 3199902, 4799853, 5333170, 6399804, 7999755, 9599706, 10666340, 14399559, 15999510, 19199412, 23999265, 28799118, 31999020, 47998530, 57598236, 71997795, 95997060, 143995590, 287991180]

約数ペア:

[(1, 287991180), (2, 143995590), (3, 95997060), (4, 71997795), (5, 57598236), (6, 47998530), (9, 31999020), (10, 28799118), (12, 23999265), (15, 19199412), (18, 15999510), (20, 14399559), (27, 10666340), (30, 9599706), (36, 7999755), (45, 6399804), (54, 5333170), (60, 4799853), (90, 3199902), (108, 2666585), (135, 2133268), (180, 1599951), (270, 1066634), (540, 533317)]