81370020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1356167}}^1$

素因数の和:1356179

約数の個数: 24

約数和(自身を含む): 227836224

約数和(自身を除く): 146466204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1356167, 2712334, 4068501, 5424668, 6780835, 8137002, 13561670, 16274004, 20342505, 27123340, 40685010, 81370020]

約数ペア:

[(1, 81370020), (2, 40685010), (3, 27123340), (4, 20342505), (5, 16274004), (6, 13561670), (10, 8137002), (12, 6780835), (15, 5424668), (20, 4068501), (30, 2712334), (60, 1356167)]