6646980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 18768960

約数和(自身を除く): 12121980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 797, 834, 1390, 1594, 1668, 2085, 2391, 2780, 3188, 3985, 4170, 4782, 7970, 8340, 9564, 11955, 15940, 23910, 47820, 110783, 221566, 332349, 443132, 553915, 664698, 1107830, 1329396, 1661745, 2215660, 3323490, 6646980]

約数ペア:

[(1, 6646980), (2, 3323490), (3, 2215660), (4, 1661745), (5, 1329396), (6, 1107830), (10, 664698), (12, 553915), (15, 443132), (20, 332349), (30, 221566), (60, 110783), (139, 47820), (278, 23910), (417, 15940), (556, 11955), (695, 9564), (797, 8340), (834, 7970), (1390, 4782), (1594, 4170), (1668, 3985), (2085, 3188), (2391, 2780)]