87490480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2029}}^1$

素因数の和:2067

約数の個数: 120

約数和(自身を含む): 258264720

約数和(自身を除く): 170774240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2029, 2156, 2695, 3080, 3920, 4058, 4312, 5390, 6160, 8116, 8624, 10145, 10780, 14203, 16232, 20290, 21560, 22319, 28406, 32464, 40580, 43120, 44638, 56812, 71015, 81160, 89276, 99421, 111595, 113624, 142030, 156233, 162320, 178552, 198842, 223190, 227248, 284060, 312466, 357104, 397684, 446380, 497105, 568120, 624932, 781165, 795368, 892760, 994210, 1093631, 1136240, 1249864, 1562330, 1590736, 1785520, 1988420, 2187262, 2499728, 3124660, 3976840, 4374524, 5468155, 6249320, 7953680, 8749048, 10936310, 12498640, 17498096, 21872620, 43745240, 87490480]

約数ペア:

[(1, 87490480), (2, 43745240), (4, 21872620), (5, 17498096), (7, 12498640), (8, 10936310), (10, 8749048), (11, 7953680), (14, 6249320), (16, 5468155), (20, 4374524), (22, 3976840), (28, 3124660), (35, 2499728), (40, 2187262), (44, 1988420), (49, 1785520), (55, 1590736), (56, 1562330), (70, 1249864), (77, 1136240), (80, 1093631), (88, 994210), (98, 892760), (110, 795368), (112, 781165), (140, 624932), (154, 568120), (176, 497105), (196, 446380), (220, 397684), (245, 357104), (280, 312466), (308, 284060), (385, 227248), (392, 223190), (440, 198842), (490, 178552), (539, 162320), (560, 156233), (616, 142030), (770, 113624), (784, 111595), (880, 99421), (980, 89276), (1078, 81160), (1232, 71015), (1540, 56812), (1960, 44638), (2029, 43120), (2156, 40580), (2695, 32464), (3080, 28406), (3920, 22319), (4058, 21560), (4312, 20290), (5390, 16232), (6160, 14203), (8116, 10780), (8624, 10145)]