87178380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85469}}^1$

素因数の和:85498

約数の個数: 48

約数和(自身を含む): 258461280

約数和(自身を除く): 171282900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 85469, 170938, 256407, 341876, 427345, 512814, 854690, 1025628, 1282035, 1452973, 1709380, 2564070, 2905946, 4358919, 5128140, 5811892, 7264865, 8717838, 14529730, 17435676, 21794595, 29059460, 43589190, 87178380]

約数ペア:

[(1, 87178380), (2, 43589190), (3, 29059460), (4, 21794595), (5, 17435676), (6, 14529730), (10, 8717838), (12, 7264865), (15, 5811892), (17, 5128140), (20, 4358919), (30, 2905946), (34, 2564070), (51, 1709380), (60, 1452973), (68, 1282035), (85, 1025628), (102, 854690), (170, 512814), (204, 427345), (255, 341876), (340, 256407), (510, 170938), (1020, 85469)]