15405420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{256757}}^1$

素因数の和:256769

約数の個数: 24

約数和(自身を含む): 43135344

約数和(自身を除く): 27729924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 256757, 513514, 770271, 1027028, 1283785, 1540542, 2567570, 3081084, 3851355, 5135140, 7702710, 15405420]

約数ペア:

[(1, 15405420), (2, 7702710), (3, 5135140), (4, 3851355), (5, 3081084), (6, 2567570), (10, 1540542), (12, 1283785), (15, 1027028), (20, 770271), (30, 513514), (60, 256757)]