80931420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149873}}^1$

素因数の和:149891

約数の個数: 48

約数和(自身を含む): 251788320

約数和(自身を除く): 170856900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 149873, 299746, 449619, 599492, 749365, 899238, 1348857, 1498730, 1798476, 2248095, 2697714, 2997460, 4046571, 4496190, 5395428, 6744285, 8093142, 8992380, 13488570, 16186284, 20232855, 26977140, 40465710, 80931420]

約数ペア:

[(1, 80931420), (2, 40465710), (3, 26977140), (4, 20232855), (5, 16186284), (6, 13488570), (9, 8992380), (10, 8093142), (12, 6744285), (15, 5395428), (18, 4496190), (20, 4046571), (27, 2997460), (30, 2697714), (36, 2248095), (45, 1798476), (54, 1498730), (60, 1348857), (90, 899238), (108, 749365), (135, 599492), (180, 449619), (270, 299746), (540, 149873)]