30981920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8419}}^1$

素因数の和:8457

約数の個数: 48

約数和(自身を含む): 76386240

約数和(自身を除く): 45404320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 8419, 16838, 33676, 42095, 67352, 84190, 134704, 168380, 193637, 269408, 336760, 387274, 673520, 774548, 968185, 1347040, 1549096, 1936370, 3098192, 3872740, 6196384, 7745480, 15490960, 30981920]

約数ペア:

[(1, 30981920), (2, 15490960), (4, 7745480), (5, 6196384), (8, 3872740), (10, 3098192), (16, 1936370), (20, 1549096), (23, 1347040), (32, 968185), (40, 774548), (46, 673520), (80, 387274), (92, 336760), (115, 269408), (160, 193637), (184, 168380), (230, 134704), (368, 84190), (460, 67352), (736, 42095), (920, 33676), (1840, 16838), (3680, 8419)]