15679945120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1999993}}^1$

素因数の和:2000022

約数の個数: 72

約数和(自身を含む): 43091870724

約数和(自身を除く): 27411925604

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, 1999993, 3999986, 7999972, 9999965, 13999951, 15999944, 19999930, 27999902, 31999888, 39999860, 55999804, 63999776, 69999755, 79999720, 97999657, 111999608, 139999510, 159999440, 195999314, 223999216, 279999020, 319998880, 391998628, 447998432, 489998285, 559998040, 783997256, 979996570, 1119996080, 1567994512, 1959993140, 2239992160, 3135989024, 3919986280, 7839972560, 15679945120]

約数ペア:

[(1, 15679945120), (2, 7839972560), (4, 3919986280), (5, 3135989024), (7, 2239992160), (8, 1959993140), (10, 1567994512), (14, 1119996080), (16, 979996570), (20, 783997256), (28, 559998040), (32, 489998285), (35, 447998432), (40, 391998628), (49, 319998880), (56, 279999020), (70, 223999216), (80, 195999314), (98, 159999440), (112, 139999510), (140, 111999608), (160, 97999657), (196, 79999720), (224, 69999755), (245, 63999776), (280, 55999804), (392, 39999860), (490, 31999888), (560, 27999902), (784, 19999930), (980, 15999944), (1120, 13999951), (1568, 9999965), (1960, 7999972), (3920, 3999986), (7840, 1999993)]