77680920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647341}}^1$

素因数の和:647355

約数の個数: 32

約数和(自身を含む): 233043120

約数和(自身を除く): 155362200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647341, 1294682, 1942023, 2589364, 3236705, 3884046, 5178728, 6473410, 7768092, 9710115, 12946820, 15536184, 19420230, 25893640, 38840460, 77680920]

約数ペア:

[(1, 77680920), (2, 38840460), (3, 25893640), (4, 19420230), (5, 15536184), (6, 12946820), (8, 9710115), (10, 7768092), (12, 6473410), (15, 5178728), (20, 3884046), (24, 3236705), (30, 2589364), (40, 1942023), (60, 1294682), (120, 647341)]