257659620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4294327}}^1$

素因数の和:4294339

約数の個数: 24

約数和(自身を含む): 721447104

約数和(自身を除く): 463787484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4294327, 8588654, 12882981, 17177308, 21471635, 25765962, 42943270, 51531924, 64414905, 85886540, 128829810, 257659620]

約数ペア:

[(1, 257659620), (2, 128829810), (3, 85886540), (4, 64414905), (5, 51531924), (6, 42943270), (10, 25765962), (12, 21471635), (15, 17177308), (20, 12882981), (30, 8588654), (60, 4294327)]