31097880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7853}}^1$

素因数の和:7881

約数の個数: 96

約数和(自身を含む): 110270160

約数和(自身を除く): 79172280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7853, 15706, 23559, 31412, 39265, 47118, 62824, 70677, 78530, 86383, 94236, 117795, 141354, 157060, 172766, 188472, 235590, 259149, 282708, 314120, 345532, 353385, 431915, 471180, 518298, 565416, 691064, 706770, 777447, 863830, 942360, 1036596, 1295745, 1413540, 1554894, 1727660, 2073192, 2591490, 2827080, 3109788, 3455320, 3887235, 5182980, 6219576, 7774470, 10365960, 15548940, 31097880]

約数ペア:

[(1, 31097880), (2, 15548940), (3, 10365960), (4, 7774470), (5, 6219576), (6, 5182980), (8, 3887235), (9, 3455320), (10, 3109788), (11, 2827080), (12, 2591490), (15, 2073192), (18, 1727660), (20, 1554894), (22, 1413540), (24, 1295745), (30, 1036596), (33, 942360), (36, 863830), (40, 777447), (44, 706770), (45, 691064), (55, 565416), (60, 518298), (66, 471180), (72, 431915), (88, 353385), (90, 345532), (99, 314120), (110, 282708), (120, 259149), (132, 235590), (165, 188472), (180, 172766), (198, 157060), (220, 141354), (264, 117795), (330, 94236), (360, 86383), (396, 78530), (440, 70677), (495, 62824), (660, 47118), (792, 39265), (990, 31412), (1320, 23559), (1980, 15706), (3960, 7853)]