128490690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6661}}^1$

素因数の和:7314

約数の個数: 32

約数和(自身を含む): 308903616

約数和(自身を除く): 180412926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1286, 1929, 3215, 3858, 6430, 6661, 9645, 13322, 19290, 19983, 33305, 39966, 66610, 99915, 199830, 4283023, 8566046, 12849069, 21415115, 25698138, 42830230, 64245345, 128490690]

約数ペア:

[(1, 128490690), (2, 64245345), (3, 42830230), (5, 25698138), (6, 21415115), (10, 12849069), (15, 8566046), (30, 4283023), (643, 199830), (1286, 99915), (1929, 66610), (3215, 39966), (3858, 33305), (6430, 19983), (6661, 19290), (9645, 13322)]