78897280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1601}}^1$

素因数の和:1638

約数の個数: 128

約数和(自身を含む): 235301760

約数和(自身を除く): 156404480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1601, 1760, 2240, 2464, 3080, 3202, 3520, 4480, 4928, 6160, 6404, 7040, 8005, 9856, 11207, 12320, 12808, 16010, 17611, 22414, 24640, 25616, 32020, 35222, 44828, 49280, 51232, 56035, 64040, 70444, 88055, 89656, 102464, 112070, 123277, 128080, 140888, 176110, 179312, 204928, 224140, 246554, 256160, 281776, 352220, 358624, 448280, 493108, 512320, 563552, 616385, 704440, 717248, 896560, 986216, 1024640, 1127104, 1232770, 1408880, 1434496, 1793120, 1972432, 2254208, 2465540, 2817760, 3586240, 3944864, 4931080, 5635520, 7172480, 7889728, 9862160, 11271040, 15779456, 19724320, 39448640, 78897280]

約数ペア:

[(1, 78897280), (2, 39448640), (4, 19724320), (5, 15779456), (7, 11271040), (8, 9862160), (10, 7889728), (11, 7172480), (14, 5635520), (16, 4931080), (20, 3944864), (22, 3586240), (28, 2817760), (32, 2465540), (35, 2254208), (40, 1972432), (44, 1793120), (55, 1434496), (56, 1408880), (64, 1232770), (70, 1127104), (77, 1024640), (80, 986216), (88, 896560), (110, 717248), (112, 704440), (128, 616385), (140, 563552), (154, 512320), (160, 493108), (176, 448280), (220, 358624), (224, 352220), (280, 281776), (308, 256160), (320, 246554), (352, 224140), (385, 204928), (440, 179312), (448, 176110), (560, 140888), (616, 128080), (640, 123277), (704, 112070), (770, 102464), (880, 89656), (896, 88055), (1120, 70444), (1232, 64040), (1408, 56035), (1540, 51232), (1601, 49280), (1760, 44828), (2240, 35222), (2464, 32020), (3080, 25616), (3202, 24640), (3520, 22414), (4480, 17611), (4928, 16010), (6160, 12808), (6404, 12320), (7040, 11207), (8005, 9856)]