80451560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287327}}^1$

素因数の和:287345

約数の個数: 32

約数和(自身を含む): 206876160

約数和(自身を除く): 126424600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287327, 574654, 1149308, 1436635, 2011289, 2298616, 2873270, 4022578, 5746540, 8045156, 10056445, 11493080, 16090312, 20112890, 40225780, 80451560]

約数ペア:

[(1, 80451560), (2, 40225780), (4, 20112890), (5, 16090312), (7, 11493080), (8, 10056445), (10, 8045156), (14, 5746540), (20, 4022578), (28, 2873270), (35, 2298616), (40, 2011289), (56, 1436635), (70, 1149308), (140, 574654), (280, 287327)]