68423960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155509}}^1$

素因数の和:155531

約数の個数: 32

約数和(自身を含む): 167950800

約数和(自身を除く): 99526840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155509, 311018, 622036, 777545, 1244072, 1555090, 1710599, 3110180, 3421198, 6220360, 6842396, 8552995, 13684792, 17105990, 34211980, 68423960]

約数ペア:

[(1, 68423960), (2, 34211980), (4, 17105990), (5, 13684792), (8, 8552995), (10, 6842396), (11, 6220360), (20, 3421198), (22, 3110180), (40, 1710599), (44, 1555090), (55, 1244072), (88, 777545), (110, 622036), (220, 311018), (440, 155509)]