1254780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6971}}^1$

素因数の和:6986

約数の個数: 36

約数和(自身を含む): 3806712

約数和(自身を除く): 2551932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6971, 13942, 20913, 27884, 34855, 41826, 62739, 69710, 83652, 104565, 125478, 139420, 209130, 250956, 313695, 418260, 627390, 1254780]

約数ペア:

[(1, 1254780), (2, 627390), (3, 418260), (4, 313695), (5, 250956), (6, 209130), (9, 139420), (10, 125478), (12, 104565), (15, 83652), (18, 69710), (20, 62739), (30, 41826), (36, 34855), (45, 27884), (60, 20913), (90, 13942), (180, 6971)]