213960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 642240

約数和(自身を除く): 428280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1783, 3566, 5349, 7132, 8915, 10698, 14264, 17830, 21396, 26745, 35660, 42792, 53490, 71320, 106980, 213960]

約数ペア:

[(1, 213960), (2, 106980), (3, 71320), (4, 53490), (5, 42792), (6, 35660), (8, 26745), (10, 21396), (12, 17830), (15, 14264), (20, 10698), (24, 8915), (30, 7132), (40, 5349), (60, 3566), (120, 1783)]