12801420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71119}}^1$

素因数の和:71134

約数の個数: 36

約数和(自身を含む): 38831520

約数和(自身を除く): 26030100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71119, 142238, 213357, 284476, 355595, 426714, 640071, 711190, 853428, 1066785, 1280142, 1422380, 2133570, 2560284, 3200355, 4267140, 6400710, 12801420]

約数ペア:

[(1, 12801420), (2, 6400710), (3, 4267140), (4, 3200355), (5, 2560284), (6, 2133570), (9, 1422380), (10, 1280142), (12, 1066785), (15, 853428), (18, 711190), (20, 640071), (30, 426714), (36, 355595), (45, 284476), (60, 213357), (90, 142238), (180, 71119)]