128396220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2139937}}^1$

素因数の和:2139949

約数の個数: 24

約数和(自身を含む): 359509584

約数和(自身を除く): 231113364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2139937, 4279874, 6419811, 8559748, 10699685, 12839622, 21399370, 25679244, 32099055, 42798740, 64198110, 128396220]

約数ペア:

[(1, 128396220), (2, 64198110), (3, 42798740), (4, 32099055), (5, 25679244), (6, 21399370), (10, 12839622), (12, 10699685), (15, 8559748), (20, 6419811), (30, 4279874), (60, 2139937)]