66993080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21751}}^1$

素因数の和:21780

約数の個数: 64

約数和(自身を含む): 187937280

約数和(自身を除く): 120944200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21751, 43502, 87004, 108755, 152257, 174008, 217510, 239261, 304514, 435020, 478522, 609028, 761285, 870040, 957044, 1196305, 1218056, 1522570, 1674827, 1914088, 2392610, 3045140, 3349654, 4785220, 6090280, 6699308, 8374135, 9570440, 13398616, 16748270, 33496540, 66993080]

約数ペア:

[(1, 66993080), (2, 33496540), (4, 16748270), (5, 13398616), (7, 9570440), (8, 8374135), (10, 6699308), (11, 6090280), (14, 4785220), (20, 3349654), (22, 3045140), (28, 2392610), (35, 1914088), (40, 1674827), (44, 1522570), (55, 1218056), (56, 1196305), (70, 957044), (77, 870040), (88, 761285), (110, 609028), (140, 478522), (154, 435020), (220, 304514), (280, 239261), (308, 217510), (385, 174008), (440, 152257), (616, 108755), (770, 87004), (1540, 43502), (3080, 21751)]