687480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 2190240

約数和(自身を除く): 1502760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 337, 340, 408, 510, 674, 680, 1011, 1020, 1348, 1685, 2022, 2040, 2696, 3370, 4044, 5055, 5729, 6740, 8088, 10110, 11458, 13480, 17187, 20220, 22916, 28645, 34374, 40440, 45832, 57290, 68748, 85935, 114580, 137496, 171870, 229160, 343740, 687480]

約数ペア:

[(1, 687480), (2, 343740), (3, 229160), (4, 171870), (5, 137496), (6, 114580), (8, 85935), (10, 68748), (12, 57290), (15, 45832), (17, 40440), (20, 34374), (24, 28645), (30, 22916), (34, 20220), (40, 17187), (51, 13480), (60, 11458), (68, 10110), (85, 8088), (102, 6740), (120, 5729), (136, 5055), (170, 4044), (204, 3370), (255, 2696), (337, 2040), (340, 2022), (408, 1685), (510, 1348), (674, 1020), (680, 1011)]