8378340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 15208860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 449, 622, 898, 933, 1244, 1347, 1555, 1796, 1866, 2245, 2694, 3110, 3732, 4490, 4665, 5388, 6220, 6735, 8980, 9330, 13470, 18660, 26940, 139639, 279278, 418917, 558556, 698195, 837834, 1396390, 1675668, 2094585, 2792780, 4189170, 8378340]

約数ペア:

[(1, 8378340), (2, 4189170), (3, 2792780), (4, 2094585), (5, 1675668), (6, 1396390), (10, 837834), (12, 698195), (15, 558556), (20, 418917), (30, 279278), (60, 139639), (311, 26940), (449, 18660), (622, 13470), (898, 9330), (933, 8980), (1244, 6735), (1347, 6220), (1555, 5388), (1796, 4665), (1866, 4490), (2245, 3732), (2694, 3110)]