420778860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{7012981}}^1$

素因数の和:7012993

約数の個数: 24

約数和(自身を含む): 1178180976

約数和(自身を除く): 757402116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 7012981, 14025962, 21038943, 28051924, 35064905, 42077886, 70129810, 84155772, 105194715, 140259620, 210389430, 420778860]

約数ペア:

[(1, 420778860), (2, 210389430), (3, 140259620), (4, 105194715), (5, 84155772), (6, 70129810), (10, 42077886), (12, 35064905), (15, 28051924), (20, 21038943), (30, 14025962), (60, 7012981)]