15851880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4003}}^1$

素因数の和:4031

約数の個数: 96

約数和(自身を含む): 56216160

約数和(自身を除く): 40364280

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, 4003, 8006, 12009, 16012, 20015, 24018, 32024, 36027, 40030, 44033, 48036, 60045, 72054, 80060, 88066, 96072, 120090, 132099, 144108, 160120, 176132, 180135, 220165, 240180, 264198, 288216, 352264, 360270, 396297, 440330, 480360, 528396, 660495, 720540, 792594, 880660, 1056792, 1320990, 1441080, 1585188, 1761320, 1981485, 2641980, 3170376, 3962970, 5283960, 7925940, 15851880]

約数ペア:

[(1, 15851880), (2, 7925940), (3, 5283960), (4, 3962970), (5, 3170376), (6, 2641980), (8, 1981485), (9, 1761320), (10, 1585188), (11, 1441080), (12, 1320990), (15, 1056792), (18, 880660), (20, 792594), (22, 720540), (24, 660495), (30, 528396), (33, 480360), (36, 440330), (40, 396297), (44, 360270), (45, 352264), (55, 288216), (60, 264198), (66, 240180), (72, 220165), (88, 180135), (90, 176132), (99, 160120), (110, 144108), (120, 132099), (132, 120090), (165, 96072), (180, 88066), (198, 80060), (220, 72054), (264, 60045), (330, 48036), (360, 44033), (396, 40030), (440, 36027), (495, 32024), (660, 24018), (792, 20015), (990, 16012), (1320, 12009), (1980, 8006), (3960, 4003)]