12907980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71711}}^1$

素因数の和:71726

約数の個数: 36

約数和(自身を含む): 39154752

約数和(自身を除く): 26246772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71711, 143422, 215133, 286844, 358555, 430266, 645399, 717110, 860532, 1075665, 1290798, 1434220, 2151330, 2581596, 3226995, 4302660, 6453990, 12907980]

約数ペア:

[(1, 12907980), (2, 6453990), (3, 4302660), (4, 3226995), (5, 2581596), (6, 2151330), (9, 1434220), (10, 1290798), (12, 1075665), (15, 860532), (18, 717110), (20, 645399), (30, 430266), (36, 358555), (45, 286844), (60, 215133), (90, 143422), (180, 71711)]