30128820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1787}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 84708288

約数和(自身を除く): 54579468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 1787, 2810, 3372, 3574, 4215, 5361, 5620, 7148, 8430, 8935, 10722, 16860, 17870, 21444, 26805, 35740, 53610, 107220, 502147, 1004294, 1506441, 2008588, 2510735, 3012882, 5021470, 6025764, 7532205, 10042940, 15064410, 30128820]

約数ペア:

[(1, 30128820), (2, 15064410), (3, 10042940), (4, 7532205), (5, 6025764), (6, 5021470), (10, 3012882), (12, 2510735), (15, 2008588), (20, 1506441), (30, 1004294), (60, 502147), (281, 107220), (562, 53610), (843, 35740), (1124, 26805), (1405, 21444), (1686, 17870), (1787, 16860), (2810, 10722), (3372, 8935), (3574, 8430), (4215, 7148), (5361, 5620)]