180258640

素因数分解:

$2^4\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{1579}}^1$

素因数の和:3019

約数の個数: 40

約数和(自身を含む): 419660640

約数和(自身を除く): 239402000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1427, 1579, 2854, 3158, 5708, 6316, 7135, 7895, 11416, 12632, 14270, 15790, 22832, 25264, 28540, 31580, 57080, 63160, 114160, 126320, 2253233, 4506466, 9012932, 11266165, 18025864, 22532330, 36051728, 45064660, 90129320, 180258640]

約数ペア:

[(1, 180258640), (2, 90129320), (4, 45064660), (5, 36051728), (8, 22532330), (10, 18025864), (16, 11266165), (20, 9012932), (40, 4506466), (80, 2253233), (1427, 126320), (1579, 114160), (2854, 63160), (3158, 57080), (5708, 31580), (6316, 28540), (7135, 25264), (7895, 22832), (11416, 15790), (12632, 14270)]