128869740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715943}}^1$

素因数の和:715958

約数の個数: 36

約数和(自身を含む): 390905424

約数和(自身を除く): 262035684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715943, 1431886, 2147829, 2863772, 3579715, 4295658, 6443487, 7159430, 8591316, 10739145, 12886974, 14318860, 21478290, 25773948, 32217435, 42956580, 64434870, 128869740]

約数ペア:

[(1, 128869740), (2, 64434870), (3, 42956580), (4, 32217435), (5, 25773948), (6, 21478290), (9, 14318860), (10, 12886974), (12, 10739145), (15, 8591316), (18, 7159430), (20, 6443487), (30, 4295658), (36, 3579715), (45, 2863772), (60, 2147829), (90, 1431886), (180, 715943)]