256603560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2138363}}^1$

素因数の和:2138377

約数の個数: 32

約数和(自身を含む): 769811040

約数和(自身を除く): 513207480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2138363, 4276726, 6415089, 8553452, 10691815, 12830178, 17106904, 21383630, 25660356, 32075445, 42767260, 51320712, 64150890, 85534520, 128301780, 256603560]

約数ペア:

[(1, 256603560), (2, 128301780), (3, 85534520), (4, 64150890), (5, 51320712), (6, 42767260), (8, 32075445), (10, 25660356), (12, 21383630), (15, 17106904), (20, 12830178), (24, 10691815), (30, 8553452), (40, 6415089), (60, 4276726), (120, 2138363)]