68863760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122971}}^1$

素因数の和:122991

約数の個数: 40

約数和(自身を含む): 182982336

約数和(自身を除く): 114118576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122971, 245942, 491884, 614855, 860797, 983768, 1229710, 1721594, 1967536, 2459420, 3443188, 4303985, 4918840, 6886376, 8607970, 9837680, 13772752, 17215940, 34431880, 68863760]

約数ペア:

[(1, 68863760), (2, 34431880), (4, 17215940), (5, 13772752), (7, 9837680), (8, 8607970), (10, 6886376), (14, 4918840), (16, 4303985), (20, 3443188), (28, 2459420), (35, 1967536), (40, 1721594), (56, 1229710), (70, 983768), (80, 860797), (112, 614855), (140, 491884), (280, 245942), (560, 122971)]