393577680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1639907}}^1$

素因数の和:1639923

約数の個数: 40

約数和(自身を含む): 1220091552

約数和(自身を除く): 826513872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1639907, 3279814, 4919721, 6559628, 8199535, 9839442, 13119256, 16399070, 19678884, 24598605, 26238512, 32798140, 39357768, 49197210, 65596280, 78715536, 98394420, 131192560, 196788840, 393577680]

約数ペア:

[(1, 393577680), (2, 196788840), (3, 131192560), (4, 98394420), (5, 78715536), (6, 65596280), (8, 49197210), (10, 39357768), (12, 32798140), (15, 26238512), (16, 24598605), (20, 19678884), (24, 16399070), (30, 13119256), (40, 9839442), (48, 8199535), (60, 6559628), (80, 4919721), (120, 3279814), (240, 1639907)]