161923160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{578297}}^1$

素因数の和:578315

約数の個数: 32

約数和(自身を含む): 416374560

約数和(自身を除く): 254451400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 578297, 1156594, 2313188, 2891485, 4048079, 4626376, 5782970, 8096158, 11565940, 16192316, 20240395, 23131880, 32384632, 40480790, 80961580, 161923160]

約数ペア:

[(1, 161923160), (2, 80961580), (4, 40480790), (5, 32384632), (7, 23131880), (8, 20240395), (10, 16192316), (14, 11565940), (20, 8096158), (28, 5782970), (35, 4626376), (40, 4048079), (56, 2891485), (70, 2313188), (140, 1156594), (280, 578297)]