2443620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 6914880

約数和(自身を除く): 4471260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 293, 417, 556, 586, 695, 834, 879, 1172, 1390, 1465, 1668, 1758, 2085, 2780, 2930, 3516, 4170, 4395, 5860, 8340, 8790, 17580, 40727, 81454, 122181, 162908, 203635, 244362, 407270, 488724, 610905, 814540, 1221810, 2443620]

約数ペア:

[(1, 2443620), (2, 1221810), (3, 814540), (4, 610905), (5, 488724), (6, 407270), (10, 244362), (12, 203635), (15, 162908), (20, 122181), (30, 81454), (60, 40727), (139, 17580), (278, 8790), (293, 8340), (417, 5860), (556, 4395), (586, 4170), (695, 3516), (834, 2930), (879, 2780), (1172, 2085), (1390, 1758), (1465, 1668)]