1311760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:895

約数の個数: 40

約数和(自身を含む): 3214080

約数和(自身を除く): 1902320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 863, 1520, 1726, 3452, 4315, 6904, 8630, 13808, 16397, 17260, 32794, 34520, 65588, 69040, 81985, 131176, 163970, 262352, 327940, 655880, 1311760]

約数ペア:

[(1, 1311760), (2, 655880), (4, 327940), (5, 262352), (8, 163970), (10, 131176), (16, 81985), (19, 69040), (20, 65588), (38, 34520), (40, 32794), (76, 17260), (80, 16397), (95, 13808), (152, 8630), (190, 6904), (304, 4315), (380, 3452), (760, 1726), (863, 1520)]