61067720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4451}}^1$

素因数の和:4483

約数の個数: 64

約数和(自身を含む): 160272000

約数和(自身を除く): 99204280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4451, 6860, 8902, 13720, 17804, 22255, 31157, 35608, 44510, 62314, 89020, 124628, 155785, 178040, 218099, 249256, 311570, 436198, 623140, 872396, 1090495, 1246280, 1526693, 1744792, 2180990, 3053386, 4361980, 6106772, 7633465, 8723960, 12213544, 15266930, 30533860, 61067720]

約数ペア:

[(1, 61067720), (2, 30533860), (4, 15266930), (5, 12213544), (7, 8723960), (8, 7633465), (10, 6106772), (14, 4361980), (20, 3053386), (28, 2180990), (35, 1744792), (40, 1526693), (49, 1246280), (56, 1090495), (70, 872396), (98, 623140), (140, 436198), (196, 311570), (245, 249256), (280, 218099), (343, 178040), (392, 155785), (490, 124628), (686, 89020), (980, 62314), (1372, 44510), (1715, 35608), (1960, 31157), (2744, 22255), (3430, 17804), (4451, 13720), (6860, 8902)]