805280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{719}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 2177280

約数和(自身を除く): 1372000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 719, 1120, 1438, 2876, 3595, 5033, 5752, 7190, 10066, 11504, 14380, 20132, 23008, 25165, 28760, 40264, 50330, 57520, 80528, 100660, 115040, 161056, 201320, 402640, 805280]

約数ペア:

[(1, 805280), (2, 402640), (4, 201320), (5, 161056), (7, 115040), (8, 100660), (10, 80528), (14, 57520), (16, 50330), (20, 40264), (28, 28760), (32, 25165), (35, 23008), (40, 20132), (56, 14380), (70, 11504), (80, 10066), (112, 7190), (140, 5752), (160, 5033), (224, 3595), (280, 2876), (560, 1438), (719, 1120)]