大方廣圓覺修多羅了義經略疏 1.893

1.893

此云無數，是《華嚴》十大數中之首，經論多用，故此舉之。十者，謂阿僧祇、無量、無邊、無等、不可數、不可稱、不可思、不可量、不可說、不可說不可說也。

translated here as "innumerable," is the first of the ten great numbers in the Avataṃsaka; since it is frequently used in sūtras and treatises, it is adduced here. The ten are: asaṃkhyeya, apramāṇa, ananta, asama, agaṇeya, atulya, acintya, ameya, anabhilāpya, and anabhilāpyānabhilāpyaparivarta.