30808580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 71184960

約数和(自身を除く): 40376380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1069, 1310, 1441, 2138, 2620, 2882, 4276, 5345, 5764, 7205, 10690, 11759, 14410, 21380, 23518, 28820, 47036, 58795, 117590, 140039, 235180, 280078, 560156, 700195, 1400390, 1540429, 2800780, 3080858, 6161716, 7702145, 15404290, 30808580]

約数ペア:

[(1, 30808580), (2, 15404290), (4, 7702145), (5, 6161716), (10, 3080858), (11, 2800780), (20, 1540429), (22, 1400390), (44, 700195), (55, 560156), (110, 280078), (131, 235180), (220, 140039), (262, 117590), (524, 58795), (655, 47036), (1069, 28820), (1310, 23518), (1441, 21380), (2138, 14410), (2620, 11759), (2882, 10690), (4276, 7205), (5345, 5764)]