127981280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{114269}}^1$

素因数の和:114291

約数の個数: 48

約数和(自身を含む): 345552480

約数和(自身を除く): 217571200

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, 114269, 228538, 457076, 571345, 799883, 914152, 1142690, 1599766, 1828304, 2285380, 3199532, 3656608, 3999415, 4570760, 6399064, 7998830, 9141520, 12798128, 15997660, 18283040, 25596256, 31995320, 63990640, 127981280]

約数ペア:

[(1, 127981280), (2, 63990640), (4, 31995320), (5, 25596256), (7, 18283040), (8, 15997660), (10, 12798128), (14, 9141520), (16, 7998830), (20, 6399064), (28, 4570760), (32, 3999415), (35, 3656608), (40, 3199532), (56, 2285380), (70, 1828304), (80, 1599766), (112, 1142690), (140, 914152), (160, 799883), (224, 571345), (280, 457076), (560, 228538), (1120, 114269)]