638545140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1182491}}^1$

素因数の和:1182509

約数の個数: 48

約数和(自身を含む): 1986586560

約数和(自身を除く): 1348041420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1182491, 2364982, 3547473, 4729964, 5912455, 7094946, 10642419, 11824910, 14189892, 17737365, 21284838, 23649820, 31927257, 35474730, 42569676, 53212095, 63854514, 70949460, 106424190, 127709028, 159636285, 212848380, 319272570, 638545140]

約数ペア:

[(1, 638545140), (2, 319272570), (3, 212848380), (4, 159636285), (5, 127709028), (6, 106424190), (9, 70949460), (10, 63854514), (12, 53212095), (15, 42569676), (18, 35474730), (20, 31927257), (27, 23649820), (30, 21284838), (36, 17737365), (45, 14189892), (54, 11824910), (60, 10642419), (90, 7094946), (108, 5912455), (135, 4729964), (180, 3547473), (270, 2364982), (540, 1182491)]