1512280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 4250880

約数和(自身を除く): 2738600

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, 491, 616, 770, 982, 1540, 1964, 2455, 3080, 3437, 3928, 4910, 5401, 6874, 9820, 10802, 13748, 17185, 19640, 21604, 27005, 27496, 34370, 37807, 43208, 54010, 68740, 75614, 108020, 137480, 151228, 189035, 216040, 302456, 378070, 756140, 1512280]

約数ペア:

[(1, 1512280), (2, 756140), (4, 378070), (5, 302456), (7, 216040), (8, 189035), (10, 151228), (11, 137480), (14, 108020), (20, 75614), (22, 68740), (28, 54010), (35, 43208), (40, 37807), (44, 34370), (55, 27496), (56, 27005), (70, 21604), (77, 19640), (88, 17185), (110, 13748), (140, 10802), (154, 9820), (220, 6874), (280, 5401), (308, 4910), (385, 3928), (440, 3437), (491, 3080), (616, 2455), (770, 1964), (982, 1540)]