638828940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10647149}}^1$

素因数の和:10647161

約数の個数: 24

約数和(自身を含む): 1788721200

約数和(自身を除く): 1149892260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10647149, 21294298, 31941447, 42588596, 53235745, 63882894, 106471490, 127765788, 159707235, 212942980, 319414470, 638828940]

約数ペア:

[(1, 638828940), (2, 319414470), (3, 212942980), (4, 159707235), (5, 127765788), (6, 106471490), (10, 63882894), (12, 53235745), (15, 42588596), (20, 31941447), (30, 21294298), (60, 10647149)]