66381280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8467}}^1$

素因数の和:8496

約数の個数: 72

約数和(自身を含む): 182451528

約数和(自身を除く): 116070248

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, 8467, 16934, 33868, 42335, 59269, 67736, 84670, 118538, 135472, 169340, 237076, 270944, 296345, 338680, 414883, 474152, 592690, 677360, 829766, 948304, 1185380, 1354720, 1659532, 1896608, 2074415, 2370760, 3319064, 4148830, 4741520, 6638128, 8297660, 9483040, 13276256, 16595320, 33190640, 66381280]

約数ペア:

[(1, 66381280), (2, 33190640), (4, 16595320), (5, 13276256), (7, 9483040), (8, 8297660), (10, 6638128), (14, 4741520), (16, 4148830), (20, 3319064), (28, 2370760), (32, 2074415), (35, 1896608), (40, 1659532), (49, 1354720), (56, 1185380), (70, 948304), (80, 829766), (98, 677360), (112, 592690), (140, 474152), (160, 414883), (196, 338680), (224, 296345), (245, 270944), (280, 237076), (392, 169340), (490, 135472), (560, 118538), (784, 84670), (980, 67736), (1120, 59269), (1568, 42335), (1960, 33868), (3920, 16934), (7840, 8467)]