30456760

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1367}}^1$

素因数の和:1935

約数の個数: 32

約数和(自身を含む): 68700960

約数和(自身を除く): 38244200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1367, 2228, 2734, 2785, 4456, 5468, 5570, 6835, 10936, 11140, 13670, 22280, 27340, 54680, 761419, 1522838, 3045676, 3807095, 6091352, 7614190, 15228380, 30456760]

約数ペア:

[(1, 30456760), (2, 15228380), (4, 7614190), (5, 6091352), (8, 3807095), (10, 3045676), (20, 1522838), (40, 761419), (557, 54680), (1114, 27340), (1367, 22280), (2228, 13670), (2734, 11140), (2785, 10936), (4456, 6835), (5468, 5570)]