742280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 2090880

約数和(自身を除く): 1348600

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, 241, 280, 308, 385, 440, 482, 616, 770, 964, 1205, 1540, 1687, 1928, 2410, 2651, 3080, 3374, 4820, 5302, 6748, 8435, 9640, 10604, 13255, 13496, 16870, 18557, 21208, 26510, 33740, 37114, 53020, 67480, 74228, 92785, 106040, 148456, 185570, 371140, 742280]

約数ペア:

[(1, 742280), (2, 371140), (4, 185570), (5, 148456), (7, 106040), (8, 92785), (10, 74228), (11, 67480), (14, 53020), (20, 37114), (22, 33740), (28, 26510), (35, 21208), (40, 18557), (44, 16870), (55, 13496), (56, 13255), (70, 10604), (77, 9640), (88, 8435), (110, 6748), (140, 5302), (154, 4820), (220, 3374), (241, 3080), (280, 2651), (308, 2410), (385, 1928), (440, 1687), (482, 1540), (616, 1205), (770, 964)]