38780460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{215447}}^1$

素因数の和:215462

約数の個数: 36

約数和(自身を含む): 117634608

約数和(自身を除く): 78854148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 215447, 430894, 646341, 861788, 1077235, 1292682, 1939023, 2154470, 2585364, 3231705, 3878046, 4308940, 6463410, 7756092, 9695115, 12926820, 19390230, 38780460]

約数ペア:

[(1, 38780460), (2, 19390230), (3, 12926820), (4, 9695115), (5, 7756092), (6, 6463410), (9, 4308940), (10, 3878046), (12, 3231705), (15, 2585364), (18, 2154470), (20, 1939023), (30, 1292682), (36, 1077235), (45, 861788), (60, 646341), (90, 430894), (180, 215447)]