80491920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{335383}}^1$

素因数の和:335399

約数の個数: 40

約数和(自身を含む): 249525696

約数和(自身を除く): 169033776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 335383, 670766, 1006149, 1341532, 1676915, 2012298, 2683064, 3353830, 4024596, 5030745, 5366128, 6707660, 8049192, 10061490, 13415320, 16098384, 20122980, 26830640, 40245960, 80491920]

約数ペア:

[(1, 80491920), (2, 40245960), (3, 26830640), (4, 20122980), (5, 16098384), (6, 13415320), (8, 10061490), (10, 8049192), (12, 6707660), (15, 5366128), (16, 5030745), (20, 4024596), (24, 3353830), (30, 2683064), (40, 2012298), (48, 1676915), (60, 1341532), (80, 1006149), (120, 670766), (240, 335383)]