30317840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54139}}^1$

素因数の和:54159

約数の個数: 40

約数和(自身を含む): 80560320

約数和(自身を除く): 50242480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54139, 108278, 216556, 270695, 378973, 433112, 541390, 757946, 866224, 1082780, 1515892, 1894865, 2165560, 3031784, 3789730, 4331120, 6063568, 7579460, 15158920, 30317840]

約数ペア:

[(1, 30317840), (2, 15158920), (4, 7579460), (5, 6063568), (7, 4331120), (8, 3789730), (10, 3031784), (14, 2165560), (16, 1894865), (20, 1515892), (28, 1082780), (35, 866224), (40, 757946), (56, 541390), (70, 433112), (80, 378973), (112, 270695), (140, 216556), (280, 108278), (560, 54139)]