38838780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{215771}}^1$

素因数の和:215786

約数の個数: 36

約数和(自身を含む): 117811512

約数和(自身を除く): 78972732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 215771, 431542, 647313, 863084, 1078855, 1294626, 1941939, 2157710, 2589252, 3236565, 3883878, 4315420, 6473130, 7767756, 9709695, 12946260, 19419390, 38838780]

約数ペア:

[(1, 38838780), (2, 19419390), (3, 12946260), (4, 9709695), (5, 7767756), (6, 6473130), (9, 4315420), (10, 3883878), (12, 3236565), (15, 2589252), (18, 2157710), (20, 1941939), (30, 1294626), (36, 1078855), (45, 863084), (60, 647313), (90, 431542), (180, 215771)]