256368780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{474757}}^1$

素因数の和:474775

約数の個数: 48

約数和(自身を含む): 797593440

約数和(自身を除く): 541224660

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, 474757, 949514, 1424271, 1899028, 2373785, 2848542, 4272813, 4747570, 5697084, 7121355, 8545626, 9495140, 12818439, 14242710, 17091252, 21364065, 25636878, 28485420, 42728130, 51273756, 64092195, 85456260, 128184390, 256368780]

約数ペア:

[(1, 256368780), (2, 128184390), (3, 85456260), (4, 64092195), (5, 51273756), (6, 42728130), (9, 28485420), (10, 25636878), (12, 21364065), (15, 17091252), (18, 14242710), (20, 12818439), (27, 9495140), (30, 8545626), (36, 7121355), (45, 5697084), (54, 4747570), (60, 4272813), (90, 2848542), (108, 2373785), (135, 1899028), (180, 1424271), (270, 949514), (540, 474757)]