71739920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18301}}^1$

素因数の和:18328

約数の個数: 60

約数和(自身を含む): 194037804

約数和(自身を除く): 122297884

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18301, 36602, 73204, 91505, 128107, 146408, 183010, 256214, 292816, 366020, 512428, 640535, 732040, 896749, 1024856, 1281070, 1464080, 1793498, 2049712, 2562140, 3586996, 4483745, 5124280, 7173992, 8967490, 10248560, 14347984, 17934980, 35869960, 71739920]

約数ペア:

[(1, 71739920), (2, 35869960), (4, 17934980), (5, 14347984), (7, 10248560), (8, 8967490), (10, 7173992), (14, 5124280), (16, 4483745), (20, 3586996), (28, 2562140), (35, 2049712), (40, 1793498), (49, 1464080), (56, 1281070), (70, 1024856), (80, 896749), (98, 732040), (112, 640535), (140, 512428), (196, 366020), (245, 292816), (280, 256214), (392, 183010), (490, 146408), (560, 128107), (784, 91505), (980, 73204), (1960, 36602), (3920, 18301)]