2080971780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{249517}}^1$

素因数の和:249668

約数の個数: 48

約数和(自身を含む): 5868663360

約数和(自身を除く): 3787691580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 249517, 499034, 748551, 998068, 1247585, 1497102, 2495170, 2994204, 3742755, 4990340, 7485510, 14971020, 34682863, 69365726, 104048589, 138731452, 173414315, 208097178, 346828630, 416194356, 520242945, 693657260, 1040485890, 2080971780]

約数ペア:

[(1, 2080971780), (2, 1040485890), (3, 693657260), (4, 520242945), (5, 416194356), (6, 346828630), (10, 208097178), (12, 173414315), (15, 138731452), (20, 104048589), (30, 69365726), (60, 34682863), (139, 14971020), (278, 7485510), (417, 4990340), (556, 3742755), (695, 2994204), (834, 2495170), (1390, 1497102), (1668, 1247585), (2085, 998068), (2780, 748551), (4170, 499034), (8340, 249517)]