167705440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21391}}^1$

素因数の和:21420

約数の個数: 72

約数和(自身を含む): 460912032

約数和(自身を除く): 293206592

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, 21391, 42782, 85564, 106955, 149737, 171128, 213910, 299474, 342256, 427820, 598948, 684512, 748685, 855640, 1048159, 1197896, 1497370, 1711280, 2096318, 2395792, 2994740, 3422560, 4192636, 4791584, 5240795, 5989480, 8385272, 10481590, 11978960, 16770544, 20963180, 23957920, 33541088, 41926360, 83852720, 167705440]

約数ペア:

[(1, 167705440), (2, 83852720), (4, 41926360), (5, 33541088), (7, 23957920), (8, 20963180), (10, 16770544), (14, 11978960), (16, 10481590), (20, 8385272), (28, 5989480), (32, 5240795), (35, 4791584), (40, 4192636), (49, 3422560), (56, 2994740), (70, 2395792), (80, 2096318), (98, 1711280), (112, 1497370), (140, 1197896), (160, 1048159), (196, 855640), (224, 748685), (245, 684512), (280, 598948), (392, 427820), (490, 342256), (560, 299474), (784, 213910), (980, 171128), (1120, 149737), (1568, 106955), (1960, 85564), (3920, 42782), (7840, 21391)]