81752880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 160

約数和(自身を含む): 279624960

約数和(自身を除く): 197872080

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, 173, 176, 179, 220, 240, 264, 330, 346, 358, 440, 519, 528, 537, 660, 692, 716, 865, 880, 895, 1038, 1074, 1320, 1384, 1432, 1730, 1790, 1903, 1969, 2076, 2148, 2595, 2640, 2685, 2768, 2864, 3460, 3580, 3806, 3938, 4152, 4296, 5190, 5370, 5709, 5907, 6920, 7160, 7612, 7876, 8304, 8592, 9515, 9845, 10380, 10740, 11418, 11814, 13840, 14320, 15224, 15752, 19030, 19690, 20760, 21480, 22836, 23628, 28545, 29535, 30448, 30967, 31504, 38060, 39380, 41520, 42960, 45672, 47256, 57090, 59070, 61934, 76120, 78760, 91344, 92901, 94512, 114180, 118140, 123868, 152240, 154835, 157520, 185802, 228360, 236280, 247736, 309670, 340637, 371604, 456720, 464505, 472560, 495472, 619340, 681274, 743208, 929010, 1021911, 1238680, 1362548, 1486416, 1703185, 1858020, 2043822, 2477360, 2725096, 3406370, 3716040, 4087644, 5109555, 5450192, 6812740, 7432080, 8175288, 10219110, 13625480, 16350576, 20438220, 27250960, 40876440, 81752880]

約数ペア:

[(1, 81752880), (2, 40876440), (3, 27250960), (4, 20438220), (5, 16350576), (6, 13625480), (8, 10219110), (10, 8175288), (11, 7432080), (12, 6812740), (15, 5450192), (16, 5109555), (20, 4087644), (22, 3716040), (24, 3406370), (30, 2725096), (33, 2477360), (40, 2043822), (44, 1858020), (48, 1703185), (55, 1486416), (60, 1362548), (66, 1238680), (80, 1021911), (88, 929010), (110, 743208), (120, 681274), (132, 619340), (165, 495472), (173, 472560), (176, 464505), (179, 456720), (220, 371604), (240, 340637), (264, 309670), (330, 247736), (346, 236280), (358, 228360), (440, 185802), (519, 157520), (528, 154835), (537, 152240), (660, 123868), (692, 118140), (716, 114180), (865, 94512), (880, 92901), (895, 91344), (1038, 78760), (1074, 76120), (1320, 61934), (1384, 59070), (1432, 57090), (1730, 47256), (1790, 45672), (1903, 42960), (1969, 41520), (2076, 39380), (2148, 38060), (2595, 31504), (2640, 30967), (2685, 30448), (2768, 29535), (2864, 28545), (3460, 23628), (3580, 22836), (3806, 21480), (3938, 20760), (4152, 19690), (4296, 19030), (5190, 15752), (5370, 15224), (5709, 14320), (5907, 13840), (6920, 11814), (7160, 11418), (7612, 10740), (7876, 10380), (8304, 9845), (8592, 9515)]