231657480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{643493}}^1$

素因数の和:643510

約数の個数: 48

約数和(自身を含む): 752887980

約数和(自身を除く): 521230500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 643493, 1286986, 1930479, 2573972, 3217465, 3860958, 5147944, 5791437, 6434930, 7721916, 9652395, 11582874, 12869860, 15443832, 19304790, 23165748, 25739720, 28957185, 38609580, 46331496, 57914370, 77219160, 115828740, 231657480]

約数ペア:

[(1, 231657480), (2, 115828740), (3, 77219160), (4, 57914370), (5, 46331496), (6, 38609580), (8, 28957185), (9, 25739720), (10, 23165748), (12, 19304790), (15, 15443832), (18, 12869860), (20, 11582874), (24, 9652395), (30, 7721916), (36, 6434930), (40, 5791437), (45, 5147944), (60, 3860958), (72, 3217465), (90, 2573972), (120, 1930479), (180, 1286986), (360, 643493)]