71212860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{395627}}^1$

素因数の和:395642

約数の個数: 36

約数和(自身を含む): 216012888

約数和(自身を除く): 144800028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 395627, 791254, 1186881, 1582508, 1978135, 2373762, 3560643, 3956270, 4747524, 5934405, 7121286, 7912540, 11868810, 14242572, 17803215, 23737620, 35606430, 71212860]

約数ペア:

[(1, 71212860), (2, 35606430), (3, 23737620), (4, 17803215), (5, 14242572), (6, 11868810), (9, 7912540), (10, 7121286), (12, 5934405), (15, 4747524), (18, 3956270), (20, 3560643), (30, 2373762), (36, 1978135), (45, 1582508), (60, 1186881), (90, 791254), (180, 395627)]