212851260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{394169}}^1$

素因数の和:394187

約数の個数: 48

約数和(自身を含む): 662205600

約数和(自身を除く): 449354340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 394169, 788338, 1182507, 1576676, 1970845, 2365014, 3547521, 3941690, 4730028, 5912535, 7095042, 7883380, 10642563, 11825070, 14190084, 17737605, 21285126, 23650140, 35475210, 42570252, 53212815, 70950420, 106425630, 212851260]

約数ペア:

[(1, 212851260), (2, 106425630), (3, 70950420), (4, 53212815), (5, 42570252), (6, 35475210), (9, 23650140), (10, 21285126), (12, 17737605), (15, 14190084), (18, 11825070), (20, 10642563), (27, 7883380), (30, 7095042), (36, 5912535), (45, 4730028), (54, 3941690), (60, 3547521), (90, 2365014), (108, 1970845), (135, 1576676), (180, 1182507), (270, 788338), (540, 394169)]