720199888180

素因数分解:

$2^2\times 5^1\times {\mathrm{30881}}^1\times {\mathrm{1166089}}^1$

素因数の和:1196979

約数の個数: 24

約数和(自身を含む): 1512470037960

約数和(自身を除く): 792270149780

約数列:

[1, 2, 4, 5, 10, 20, 30881, 61762, 123524, 154405, 308810, 617620, 1166089, 2332178, 4664356, 5830445, 11660890, 23321780, 36009994409, 72019988818, 144039977636, 180049972045, 360099944090, 720199888180]

約数ペア:

[(1, 720199888180), (2, 360099944090), (4, 180049972045), (5, 144039977636), (10, 72019988818), (20, 36009994409), (30881, 23321780), (61762, 11660890), (123524, 5830445), (154405, 4664356), (308810, 2332178), (617620, 1166089)]