28951560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 128

約数和(自身を含む): 105321600

約数和(自身を除く): 76370040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2437, 2970, 3960, 4874, 5940, 7311, 9748, 11880, 12185, 14622, 19496, 21933, 24370, 26807, 29244, 36555, 43866, 48740, 53614, 58488, 65799, 73110, 80421, 87732, 97480, 107228, 109665, 131598, 134035, 146220, 160842, 175464, 214456, 219330, 241263, 263196, 268070, 292440, 321684, 328995, 402105, 438660, 482526, 526392, 536140, 643368, 657990, 723789, 804210, 877320, 965052, 1072280, 1206315, 1315980, 1447578, 1608420, 1930104, 2412630, 2631960, 2895156, 3216840, 3618945, 4825260, 5790312, 7237890, 9650520, 14475780, 28951560]

約数ペア:

[(1, 28951560), (2, 14475780), (3, 9650520), (4, 7237890), (5, 5790312), (6, 4825260), (8, 3618945), (9, 3216840), (10, 2895156), (11, 2631960), (12, 2412630), (15, 1930104), (18, 1608420), (20, 1447578), (22, 1315980), (24, 1206315), (27, 1072280), (30, 965052), (33, 877320), (36, 804210), (40, 723789), (44, 657990), (45, 643368), (54, 536140), (55, 526392), (60, 482526), (66, 438660), (72, 402105), (88, 328995), (90, 321684), (99, 292440), (108, 268070), (110, 263196), (120, 241263), (132, 219330), (135, 214456), (165, 175464), (180, 160842), (198, 146220), (216, 134035), (220, 131598), (264, 109665), (270, 107228), (297, 97480), (330, 87732), (360, 80421), (396, 73110), (440, 65799), (495, 58488), (540, 53614), (594, 48740), (660, 43866), (792, 36555), (990, 29244), (1080, 26807), (1188, 24370), (1320, 21933), (1485, 19496), (1980, 14622), (2376, 12185), (2437, 11880), (2970, 9748), (3960, 7311), (4874, 5940)]