76987980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{427711}}^1$

素因数の和:427726

約数の個数: 36

約数和(自身を含む): 233530752

約数和(自身を除く): 156542772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 427711, 855422, 1283133, 1710844, 2138555, 2566266, 3849399, 4277110, 5132532, 6415665, 7698798, 8554220, 12831330, 15397596, 19246995, 25662660, 38493990, 76987980]

約数ペア:

[(1, 76987980), (2, 38493990), (3, 25662660), (4, 19246995), (5, 15397596), (6, 12831330), (9, 8554220), (10, 7698798), (12, 6415665), (15, 5132532), (18, 4277110), (20, 3849399), (30, 2566266), (36, 2138555), (45, 1710844), (60, 1283133), (90, 855422), (180, 427711)]