80405460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49633}}^1$

素因数の和:49654

約数の個数: 60

約数和(自身を含む): 252239988

約数和(自身を除く): 171834528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49633, 99266, 148899, 198532, 248165, 297798, 446697, 496330, 595596, 744495, 893394, 992660, 1340091, 1488990, 1786788, 2233485, 2680182, 2977980, 4020273, 4466970, 5360364, 6700455, 8040546, 8933940, 13400910, 16081092, 20101365, 26801820, 40202730, 80405460]

約数ペア:

[(1, 80405460), (2, 40202730), (3, 26801820), (4, 20101365), (5, 16081092), (6, 13400910), (9, 8933940), (10, 8040546), (12, 6700455), (15, 5360364), (18, 4466970), (20, 4020273), (27, 2977980), (30, 2680182), (36, 2233485), (45, 1786788), (54, 1488990), (60, 1340091), (81, 992660), (90, 893394), (108, 744495), (135, 595596), (162, 496330), (180, 446697), (270, 297798), (324, 248165), (405, 198532), (540, 148899), (810, 99266), (1620, 49633)]