31485960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7951}}^1$

素因数の和:7979

約数の個数: 96

約数和(自身を含む): 111646080

約数和(自身を除く): 80160120

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, 7951, 15902, 23853, 31804, 39755, 47706, 63608, 71559, 79510, 87461, 95412, 119265, 143118, 159020, 174922, 190824, 238530, 262383, 286236, 318040, 349844, 357795, 437305, 477060, 524766, 572472, 699688, 715590, 787149, 874610, 954120, 1049532, 1311915, 1431180, 1574298, 1749220, 2099064, 2623830, 2862360, 3148596, 3498440, 3935745, 5247660, 6297192, 7871490, 10495320, 15742980, 31485960]

約数ペア:

[(1, 31485960), (2, 15742980), (3, 10495320), (4, 7871490), (5, 6297192), (6, 5247660), (8, 3935745), (9, 3498440), (10, 3148596), (11, 2862360), (12, 2623830), (15, 2099064), (18, 1749220), (20, 1574298), (22, 1431180), (24, 1311915), (30, 1049532), (33, 954120), (36, 874610), (40, 787149), (44, 715590), (45, 699688), (55, 572472), (60, 524766), (66, 477060), (72, 437305), (88, 357795), (90, 349844), (99, 318040), (110, 286236), (120, 262383), (132, 238530), (165, 190824), (180, 174922), (198, 159020), (220, 143118), (264, 119265), (330, 95412), (360, 87461), (396, 79510), (440, 71559), (495, 63608), (660, 47706), (792, 39755), (990, 31804), (1320, 23853), (1980, 15902), (3960, 7951)]