156637980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{870211}}^1$

素因数の和:870226

約数の個数: 36

約数和(自身を含む): 475135752

約数和(自身を除く): 318497772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 870211, 1740422, 2610633, 3480844, 4351055, 5221266, 7831899, 8702110, 10442532, 13053165, 15663798, 17404220, 26106330, 31327596, 39159495, 52212660, 78318990, 156637980]

約数ペア:

[(1, 156637980), (2, 78318990), (3, 52212660), (4, 39159495), (5, 31327596), (6, 26106330), (9, 17404220), (10, 15663798), (12, 13053165), (15, 10442532), (18, 8702110), (20, 7831899), (30, 5221266), (36, 4351055), (45, 3480844), (60, 2610633), (90, 1740422), (180, 870211)]