67966640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121369}}^1$

素因数の和:121389

約数の個数: 40

約数和(自身を含む): 180598560

約数和(自身を除く): 112631920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121369, 242738, 485476, 606845, 849583, 970952, 1213690, 1699166, 1941904, 2427380, 3398332, 4247915, 4854760, 6796664, 8495830, 9709520, 13593328, 16991660, 33983320, 67966640]

約数ペア:

[(1, 67966640), (2, 33983320), (4, 16991660), (5, 13593328), (7, 9709520), (8, 8495830), (10, 6796664), (14, 4854760), (16, 4247915), (20, 3398332), (28, 2427380), (35, 1941904), (40, 1699166), (56, 1213690), (70, 970952), (80, 849583), (112, 606845), (140, 485476), (280, 242738), (560, 121369)]