31107120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11783}}^1$

素因数の和:11810

約数の個数: 80

約数和(自身を含む): 105207552

約数和(自身を除く): 74100432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 11783, 23566, 35349, 47132, 58915, 70698, 94264, 117830, 129613, 141396, 176745, 188528, 235660, 259226, 282792, 353490, 388839, 471320, 518452, 565584, 648065, 706980, 777678, 942640, 1036904, 1296130, 1413960, 1555356, 1944195, 2073808, 2592260, 2827920, 3110712, 3888390, 5184520, 6221424, 7776780, 10369040, 15553560, 31107120]

約数ペア:

[(1, 31107120), (2, 15553560), (3, 10369040), (4, 7776780), (5, 6221424), (6, 5184520), (8, 3888390), (10, 3110712), (11, 2827920), (12, 2592260), (15, 2073808), (16, 1944195), (20, 1555356), (22, 1413960), (24, 1296130), (30, 1036904), (33, 942640), (40, 777678), (44, 706980), (48, 648065), (55, 565584), (60, 518452), (66, 471320), (80, 388839), (88, 353490), (110, 282792), (120, 259226), (132, 235660), (165, 188528), (176, 176745), (220, 141396), (240, 129613), (264, 117830), (330, 94264), (440, 70698), (528, 58915), (660, 47132), (880, 35349), (1320, 23566), (2640, 11783)]