137438940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2290649}}^1$

素因数の和:2290661

約数の個数: 24

約数和(自身を含む): 384829200

約数和(自身を除く): 247390260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2290649, 4581298, 6871947, 9162596, 11453245, 13743894, 22906490, 27487788, 34359735, 45812980, 68719470, 137438940]

約数ペア:

[(1, 137438940), (2, 68719470), (3, 45812980), (4, 34359735), (5, 27487788), (6, 22906490), (10, 13743894), (12, 11453245), (15, 9162596), (20, 6871947), (30, 4581298), (60, 2290649)]