68809160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245747}}^1$

素因数の和:245765

約数の個数: 32

約数和(自身を含む): 176938560

約数和(自身を除く): 108129400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245747, 491494, 982988, 1228735, 1720229, 1965976, 2457470, 3440458, 4914940, 6880916, 8601145, 9829880, 13761832, 17202290, 34404580, 68809160]

約数ペア:

[(1, 68809160), (2, 34404580), (4, 17202290), (5, 13761832), (7, 9829880), (8, 8601145), (10, 6880916), (14, 4914940), (20, 3440458), (28, 2457470), (35, 1965976), (40, 1720229), (56, 1228735), (70, 982988), (140, 491494), (280, 245747)]