89772660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1987}}^1$

素因数の和:2253

約数の個数: 72

約数和(自身を含む): 273532896

約数和(自身を除く): 183760236

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, 1255, 1506, 1987, 2259, 2510, 3012, 3765, 3974, 4518, 5020, 5961, 7530, 7948, 9036, 9935, 11295, 11922, 15060, 17883, 19870, 22590, 23844, 29805, 35766, 39740, 45180, 59610, 71532, 89415, 119220, 178830, 357660, 498737, 997474, 1496211, 1994948, 2493685, 2992422, 4488633, 4987370, 5984844, 7481055, 8977266, 9974740, 14962110, 17954532, 22443165, 29924220, 44886330, 89772660]

約数ペア:

[(1, 89772660), (2, 44886330), (3, 29924220), (4, 22443165), (5, 17954532), (6, 14962110), (9, 9974740), (10, 8977266), (12, 7481055), (15, 5984844), (18, 4987370), (20, 4488633), (30, 2992422), (36, 2493685), (45, 1994948), (60, 1496211), (90, 997474), (180, 498737), (251, 357660), (502, 178830), (753, 119220), (1004, 89415), (1255, 71532), (1506, 59610), (1987, 45180), (2259, 39740), (2510, 35766), (3012, 29805), (3765, 23844), (3974, 22590), (4518, 19870), (5020, 17883), (5961, 15060), (7530, 11922), (7948, 11295), (9036, 9935)]