138807180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{937}}^1$

素因数の和:1775

約数の個数: 72

約数和(自身を含む): 422009952

約数和(自身を除く): 283202772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 823, 937, 1646, 1874, 2469, 2811, 3292, 3748, 4115, 4685, 4938, 5622, 7407, 8230, 8433, 9370, 9876, 11244, 12345, 14055, 14814, 16460, 16866, 18740, 24690, 28110, 29628, 33732, 37035, 42165, 49380, 56220, 74070, 84330, 148140, 168660, 771151, 1542302, 2313453, 3084604, 3855755, 4626906, 6940359, 7711510, 9253812, 11567265, 13880718, 15423020, 23134530, 27761436, 34701795, 46269060, 69403590, 138807180]

約数ペア:

[(1, 138807180), (2, 69403590), (3, 46269060), (4, 34701795), (5, 27761436), (6, 23134530), (9, 15423020), (10, 13880718), (12, 11567265), (15, 9253812), (18, 7711510), (20, 6940359), (30, 4626906), (36, 3855755), (45, 3084604), (60, 2313453), (90, 1542302), (180, 771151), (823, 168660), (937, 148140), (1646, 84330), (1874, 74070), (2469, 56220), (2811, 49380), (3292, 42165), (3748, 37035), (4115, 33732), (4685, 29628), (4938, 28110), (5622, 24690), (7407, 18740), (8230, 16866), (8433, 16460), (9370, 14814), (9876, 14055), (11244, 12345)]