66741920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8513}}^1$

素因数の和:8542

約数の個数: 72

約数和(自身を含む): 183442644

約数和(自身を除く): 116700724

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, 3920, 7840, 8513, 17026, 34052, 42565, 59591, 68104, 85130, 119182, 136208, 170260, 238364, 272416, 297955, 340520, 417137, 476728, 595910, 681040, 834274, 953456, 1191820, 1362080, 1668548, 1906912, 2085685, 2383640, 3337096, 4171370, 4767280, 6674192, 8342740, 9534560, 13348384, 16685480, 33370960, 66741920]

約数ペア:

[(1, 66741920), (2, 33370960), (4, 16685480), (5, 13348384), (7, 9534560), (8, 8342740), (10, 6674192), (14, 4767280), (16, 4171370), (20, 3337096), (28, 2383640), (32, 2085685), (35, 1906912), (40, 1668548), (49, 1362080), (56, 1191820), (70, 953456), (80, 834274), (98, 681040), (112, 595910), (140, 476728), (160, 417137), (196, 340520), (224, 297955), (245, 272416), (280, 238364), (392, 170260), (490, 136208), (560, 119182), (784, 85130), (980, 68104), (1120, 59591), (1568, 42565), (1960, 34052), (3920, 17026), (7840, 8513)]