30509920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27241}}^1$

素因数の和:27263

約数の個数: 48

約数和(自身を含む): 82379808

約数和(自身を除く): 51869888

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, 1120, 27241, 54482, 108964, 136205, 190687, 217928, 272410, 381374, 435856, 544820, 762748, 871712, 953435, 1089640, 1525496, 1906870, 2179280, 3050992, 3813740, 4358560, 6101984, 7627480, 15254960, 30509920]

約数ペア:

[(1, 30509920), (2, 15254960), (4, 7627480), (5, 6101984), (7, 4358560), (8, 3813740), (10, 3050992), (14, 2179280), (16, 1906870), (20, 1525496), (28, 1089640), (32, 953435), (35, 871712), (40, 762748), (56, 544820), (70, 435856), (80, 381374), (112, 272410), (140, 217928), (160, 190687), (224, 136205), (280, 108964), (560, 54482), (1120, 27241)]