77121840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321341}}^1$

素因数の和:321357

約数の個数: 40

約数和(自身を含む): 239078448

約数和(自身を除く): 161956608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321341, 642682, 964023, 1285364, 1606705, 1928046, 2570728, 3213410, 3856092, 4820115, 5141456, 6426820, 7712184, 9640230, 12853640, 15424368, 19280460, 25707280, 38560920, 77121840]

約数ペア:

[(1, 77121840), (2, 38560920), (3, 25707280), (4, 19280460), (5, 15424368), (6, 12853640), (8, 9640230), (10, 7712184), (12, 6426820), (15, 5141456), (16, 4820115), (20, 3856092), (24, 3213410), (30, 2570728), (40, 1928046), (48, 1606705), (60, 1285364), (80, 964023), (120, 642682), (240, 321341)]