320440905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11321}}^1$

素因数の和:11386

約数の個数: 48

約数和(自身を含む): 604051344

約数和(自身を除く): 283610439

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 555, 629, 765, 1665, 1887, 3145, 5661, 9435, 11321, 28305, 33963, 56605, 101889, 169815, 192457, 418877, 509445, 577371, 962285, 1256631, 1732113, 2094385, 2886855, 3769893, 6283155, 7120909, 8660565, 18849465, 21362727, 35604545, 64088181, 106813635, 320440905]

約数ペア:

[(1, 320440905), (3, 106813635), (5, 64088181), (9, 35604545), (15, 21362727), (17, 18849465), (37, 8660565), (45, 7120909), (51, 6283155), (85, 3769893), (111, 2886855), (153, 2094385), (185, 1732113), (255, 1256631), (333, 962285), (555, 577371), (629, 509445), (765, 418877), (1665, 192457), (1887, 169815), (3145, 101889), (5661, 56605), (9435, 33963), (11321, 28305)]