55887660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1237}}^1$

素因数の和:1503

約数の個数: 72

約数和(自身を含む): 170338896

約数和(自身を除く): 114451236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1237, 1255, 1506, 2259, 2474, 2510, 3012, 3711, 3765, 4518, 4948, 5020, 6185, 7422, 7530, 9036, 11133, 11295, 12370, 14844, 15060, 18555, 22266, 22590, 24740, 37110, 44532, 45180, 55665, 74220, 111330, 222660, 310487, 620974, 931461, 1241948, 1552435, 1862922, 2794383, 3104870, 3725844, 4657305, 5588766, 6209740, 9314610, 11177532, 13971915, 18629220, 27943830, 55887660]

約数ペア:

[(1, 55887660), (2, 27943830), (3, 18629220), (4, 13971915), (5, 11177532), (6, 9314610), (9, 6209740), (10, 5588766), (12, 4657305), (15, 3725844), (18, 3104870), (20, 2794383), (30, 1862922), (36, 1552435), (45, 1241948), (60, 931461), (90, 620974), (180, 310487), (251, 222660), (502, 111330), (753, 74220), (1004, 55665), (1237, 45180), (1255, 44532), (1506, 37110), (2259, 24740), (2474, 22590), (2510, 22266), (3012, 18555), (3711, 15060), (3765, 14844), (4518, 12370), (4948, 11295), (5020, 11133), (6185, 9036), (7422, 7530)]