80868760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288817}}^1$

素因数の和:288835

約数の個数: 32

約数和(自身を含む): 207948960

約数和(自身を除く): 127080200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288817, 577634, 1155268, 1444085, 2021719, 2310536, 2888170, 4043438, 5776340, 8086876, 10108595, 11552680, 16173752, 20217190, 40434380, 80868760]

約数ペア:

[(1, 80868760), (2, 40434380), (4, 20217190), (5, 16173752), (7, 11552680), (8, 10108595), (10, 8086876), (14, 5776340), (20, 4043438), (28, 2888170), (35, 2310536), (40, 2021719), (56, 1444085), (70, 1155268), (140, 577634), (280, 288817)]