64915680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{135241}}^1$

素因数の和:135259

約数の個数: 48

約数和(自身を含む): 204485904

約数和(自身を除く): 139570224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 135241, 270482, 405723, 540964, 676205, 811446, 1081928, 1352410, 1622892, 2028615, 2163856, 2704820, 3245784, 4057230, 4327712, 5409640, 6491568, 8114460, 10819280, 12983136, 16228920, 21638560, 32457840, 64915680]

約数ペア:

[(1, 64915680), (2, 32457840), (3, 21638560), (4, 16228920), (5, 12983136), (6, 10819280), (8, 8114460), (10, 6491568), (12, 5409640), (15, 4327712), (16, 4057230), (20, 3245784), (24, 2704820), (30, 2163856), (32, 2028615), (40, 1622892), (48, 1352410), (60, 1081928), (80, 811446), (96, 676205), (120, 540964), (160, 405723), (240, 270482), (480, 135241)]