12778860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{212981}}^1$

素因数の和:212993

約数の個数: 24

約数和(自身を含む): 35780976

約数和(自身を除く): 23002116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 212981, 425962, 638943, 851924, 1064905, 1277886, 2129810, 2555772, 3194715, 4259620, 6389430, 12778860]

約数ペア:

[(1, 12778860), (2, 6389430), (3, 4259620), (4, 3194715), (5, 2555772), (6, 2129810), (10, 1277886), (12, 1064905), (15, 851924), (20, 638943), (30, 425962), (60, 212981)]