128519220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2141987}}^1$

素因数の和:2141999

約数の個数: 24

約数和(自身を含む): 359853984

約数和(自身を除く): 231334764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2141987, 4283974, 6425961, 8567948, 10709935, 12851922, 21419870, 25703844, 32129805, 42839740, 64259610, 128519220]

約数ペア:

[(1, 128519220), (2, 64259610), (3, 42839740), (4, 32129805), (5, 25703844), (6, 21419870), (10, 12851922), (12, 10709935), (15, 8567948), (20, 6425961), (30, 4283974), (60, 2141987)]