27808480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3547}}^1$

素因数の和:3576

約数の個数: 72

約数和(自身を含む): 76445208

約数和(自身を除く): 48636728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3547, 3920, 7094, 7840, 14188, 17735, 24829, 28376, 35470, 49658, 56752, 70940, 99316, 113504, 124145, 141880, 173803, 198632, 248290, 283760, 347606, 397264, 496580, 567520, 695212, 794528, 869015, 993160, 1390424, 1738030, 1986320, 2780848, 3476060, 3972640, 5561696, 6952120, 13904240, 27808480]

約数ペア:

[(1, 27808480), (2, 13904240), (4, 6952120), (5, 5561696), (7, 3972640), (8, 3476060), (10, 2780848), (14, 1986320), (16, 1738030), (20, 1390424), (28, 993160), (32, 869015), (35, 794528), (40, 695212), (49, 567520), (56, 496580), (70, 397264), (80, 347606), (98, 283760), (112, 248290), (140, 198632), (160, 173803), (196, 141880), (224, 124145), (245, 113504), (280, 99316), (392, 70940), (490, 56752), (560, 49658), (784, 35470), (980, 28376), (1120, 24829), (1568, 17735), (1960, 14188), (3547, 7840), (3920, 7094)]