30290960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54091}}^1$

素因数の和:54111

約数の個数: 40

約数和(自身を含む): 80488896

約数和(自身を除く): 50197936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54091, 108182, 216364, 270455, 378637, 432728, 540910, 757274, 865456, 1081820, 1514548, 1893185, 2163640, 3029096, 3786370, 4327280, 6058192, 7572740, 15145480, 30290960]

約数ペア:

[(1, 30290960), (2, 15145480), (4, 7572740), (5, 6058192), (7, 4327280), (8, 3786370), (10, 3029096), (14, 2163640), (16, 1893185), (20, 1514548), (28, 1081820), (35, 865456), (40, 757274), (56, 540910), (70, 432728), (80, 378637), (112, 270455), (140, 216364), (280, 108182), (560, 54091)]