256568640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{267259}}^1$

素因数の和:267279

約数の個数: 56

約数和(自身を含む): 814608480

約数和(自身を除く): 558039840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 267259, 534518, 801777, 1069036, 1336295, 1603554, 2138072, 2672590, 3207108, 4008885, 4276144, 5345180, 6414216, 8017770, 8552288, 10690360, 12828432, 16035540, 17104576, 21380720, 25656864, 32071080, 42761440, 51313728, 64142160, 85522880, 128284320, 256568640]

約数ペア:

[(1, 256568640), (2, 128284320), (3, 85522880), (4, 64142160), (5, 51313728), (6, 42761440), (8, 32071080), (10, 25656864), (12, 21380720), (15, 17104576), (16, 16035540), (20, 12828432), (24, 10690360), (30, 8552288), (32, 8017770), (40, 6414216), (48, 5345180), (60, 4276144), (64, 4008885), (80, 3207108), (96, 2672590), (120, 2138072), (160, 1603554), (192, 1336295), (240, 1069036), (320, 801777), (480, 534518), (960, 267259)]