30111620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19553}}^1$

素因数の和:19580

約数の個数: 48

約数和(自身を含む): 78841728

約数和(自身を除く): 48730108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19553, 39106, 78212, 97765, 136871, 195530, 215083, 273742, 391060, 430166, 547484, 684355, 860332, 1075415, 1368710, 1505581, 2150830, 2737420, 3011162, 4301660, 6022324, 7527905, 15055810, 30111620]

約数ペア:

[(1, 30111620), (2, 15055810), (4, 7527905), (5, 6022324), (7, 4301660), (10, 3011162), (11, 2737420), (14, 2150830), (20, 1505581), (22, 1368710), (28, 1075415), (35, 860332), (44, 684355), (55, 547484), (70, 430166), (77, 391060), (110, 273742), (140, 215083), (154, 195530), (220, 136871), (308, 97765), (385, 78212), (770, 39106), (1540, 19553)]