81713700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90793}}^1$

素因数の和:90813

約数の個数: 54

約数和(自身を含む): 256129874

約数和(自身を除く): 174416174

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 90793, 181586, 272379, 363172, 453965, 544758, 817137, 907930, 1089516, 1361895, 1634274, 1815860, 2269825, 2723790, 3268548, 4085685, 4539650, 5447580, 6809475, 8171370, 9079300, 13618950, 16342740, 20428425, 27237900, 40856850, 81713700]

約数ペア:

[(1, 81713700), (2, 40856850), (3, 27237900), (4, 20428425), (5, 16342740), (6, 13618950), (9, 9079300), (10, 8171370), (12, 6809475), (15, 5447580), (18, 4539650), (20, 4085685), (25, 3268548), (30, 2723790), (36, 2269825), (45, 1815860), (50, 1634274), (60, 1361895), (75, 1089516), (90, 907930), (100, 817137), (150, 544758), (180, 453965), (225, 363172), (300, 272379), (450, 181586), (900, 90793)]