30730180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 69988464

約数和(自身を除く): 39258284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 653, 724, 905, 1306, 1810, 2353, 2612, 3265, 3620, 4706, 6530, 8489, 9412, 11765, 13060, 16978, 23530, 33956, 42445, 47060, 84890, 118193, 169780, 236386, 472772, 590965, 1181930, 1536509, 2363860, 3073018, 6146036, 7682545, 15365090, 30730180]

約数ペア:

[(1, 30730180), (2, 15365090), (4, 7682545), (5, 6146036), (10, 3073018), (13, 2363860), (20, 1536509), (26, 1181930), (52, 590965), (65, 472772), (130, 236386), (181, 169780), (260, 118193), (362, 84890), (653, 47060), (724, 42445), (905, 33956), (1306, 23530), (1810, 16978), (2353, 13060), (2612, 11765), (3265, 9412), (3620, 8489), (4706, 6530)]