13021380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72341}}^1$

素因数の和:72356

約数の個数: 36

約数和(自身を含む): 39498732

約数和(自身を除く): 26477352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72341, 144682, 217023, 289364, 361705, 434046, 651069, 723410, 868092, 1085115, 1302138, 1446820, 2170230, 2604276, 3255345, 4340460, 6510690, 13021380]

約数ペア:

[(1, 13021380), (2, 6510690), (3, 4340460), (4, 3255345), (5, 2604276), (6, 2170230), (9, 1446820), (10, 1302138), (12, 1085115), (15, 868092), (18, 723410), (20, 651069), (30, 434046), (36, 361705), (45, 289364), (60, 217023), (90, 144682), (180, 72341)]