31897980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{177211}}^1$

素因数の和:177226

約数の個数: 36

約数和(自身を含む): 96757752

約数和(自身を除く): 64859772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 177211, 354422, 531633, 708844, 886055, 1063266, 1594899, 1772110, 2126532, 2658165, 3189798, 3544220, 5316330, 6379596, 7974495, 10632660, 15948990, 31897980]

約数ペア:

[(1, 31897980), (2, 15948990), (3, 10632660), (4, 7974495), (5, 6379596), (6, 5316330), (9, 3544220), (10, 3189798), (12, 2658165), (15, 2126532), (18, 1772110), (20, 1594899), (30, 1063266), (36, 886055), (45, 708844), (60, 531633), (90, 354422), (180, 177211)]