67967620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1187}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 163658880

約数和(自身を除く): 95691260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1187, 1636, 2045, 2374, 2863, 4090, 4748, 5726, 5935, 8180, 8309, 11452, 11870, 14315, 16618, 23740, 28630, 33236, 41545, 57260, 83090, 166180, 485483, 970966, 1941932, 2427415, 3398381, 4854830, 6796762, 9709660, 13593524, 16991905, 33983810, 67967620]

約数ペア:

[(1, 67967620), (2, 33983810), (4, 16991905), (5, 13593524), (7, 9709660), (10, 6796762), (14, 4854830), (20, 3398381), (28, 2427415), (35, 1941932), (70, 970966), (140, 485483), (409, 166180), (818, 83090), (1187, 57260), (1636, 41545), (2045, 33236), (2374, 28630), (2863, 23740), (4090, 16618), (4748, 14315), (5726, 11870), (5935, 11452), (8180, 8309)]