51561180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26041}}^1$

素因数の和:26067

約数の個数: 72

約数和(自身を含む): 170627184

約数和(自身を除く): 119066004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 26041, 52082, 78123, 104164, 130205, 156246, 234369, 260410, 286451, 312492, 390615, 468738, 520820, 572902, 781230, 859353, 937476, 1145804, 1171845, 1432255, 1562460, 1718706, 2343690, 2578059, 2864510, 3437412, 4296765, 4687380, 5156118, 5729020, 8593530, 10312236, 12890295, 17187060, 25780590, 51561180]

約数ペア:

[(1, 51561180), (2, 25780590), (3, 17187060), (4, 12890295), (5, 10312236), (6, 8593530), (9, 5729020), (10, 5156118), (11, 4687380), (12, 4296765), (15, 3437412), (18, 2864510), (20, 2578059), (22, 2343690), (30, 1718706), (33, 1562460), (36, 1432255), (44, 1171845), (45, 1145804), (55, 937476), (60, 859353), (66, 781230), (90, 572902), (99, 520820), (110, 468738), (132, 390615), (165, 312492), (180, 286451), (198, 260410), (220, 234369), (330, 156246), (396, 130205), (495, 104164), (660, 78123), (990, 52082), (1980, 26041)]