71752860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398627}}^1$

素因数の和:398642

約数の個数: 36

約数和(自身を含む): 217650888

約数和(自身を除く): 145898028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398627, 797254, 1195881, 1594508, 1993135, 2391762, 3587643, 3986270, 4783524, 5979405, 7175286, 7972540, 11958810, 14350572, 17938215, 23917620, 35876430, 71752860]

約数ペア:

[(1, 71752860), (2, 35876430), (3, 23917620), (4, 17938215), (5, 14350572), (6, 11958810), (9, 7972540), (10, 7175286), (12, 5979405), (15, 4783524), (18, 3986270), (20, 3587643), (30, 2391762), (36, 1993135), (45, 1594508), (60, 1195881), (90, 797254), (180, 398627)]