15490960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8419}}^1$

素因数の和:8455

約数の個数: 40

約数和(自身を含む): 37586880

約数和(自身を除く): 22095920

約数列:

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

約数ペア:

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