8390820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1283}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 23728320

約数和(自身を除く): 15337500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1283, 1308, 1635, 2180, 2566, 3270, 3849, 5132, 6415, 6540, 7698, 12830, 15396, 19245, 25660, 38490, 76980, 139847, 279694, 419541, 559388, 699235, 839082, 1398470, 1678164, 2097705, 2796940, 4195410, 8390820]

約数ペア:

[(1, 8390820), (2, 4195410), (3, 2796940), (4, 2097705), (5, 1678164), (6, 1398470), (10, 839082), (12, 699235), (15, 559388), (20, 419541), (30, 279694), (60, 139847), (109, 76980), (218, 38490), (327, 25660), (436, 19245), (545, 15396), (654, 12830), (1090, 7698), (1283, 6540), (1308, 6415), (1635, 5132), (2180, 3849), (2566, 3270)]