42157980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{234211}}^1$

素因数の和:234226

約数の個数: 36

約数和(自身を含む): 127879752

約数和(自身を除く): 85721772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 234211, 468422, 702633, 936844, 1171055, 1405266, 2107899, 2342110, 2810532, 3513165, 4215798, 4684220, 7026330, 8431596, 10539495, 14052660, 21078990, 42157980]

約数ペア:

[(1, 42157980), (2, 21078990), (3, 14052660), (4, 10539495), (5, 8431596), (6, 7026330), (9, 4684220), (10, 4215798), (12, 3513165), (15, 2810532), (18, 2342110), (20, 2107899), (30, 1405266), (36, 1171055), (45, 936844), (60, 702633), (90, 468422), (180, 234211)]