256647240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{712909}}^1$

素因数の和:712926

約数の個数: 48

約数和(自身を含む): 834104700

約数和(自身を除く): 577457460

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, 712909, 1425818, 2138727, 2851636, 3564545, 4277454, 5703272, 6416181, 7129090, 8554908, 10693635, 12832362, 14258180, 17109816, 21387270, 25664724, 28516360, 32080905, 42774540, 51329448, 64161810, 85549080, 128323620, 256647240]

約数ペア:

[(1, 256647240), (2, 128323620), (3, 85549080), (4, 64161810), (5, 51329448), (6, 42774540), (8, 32080905), (9, 28516360), (10, 25664724), (12, 21387270), (15, 17109816), (18, 14258180), (20, 12832362), (24, 10693635), (30, 8554908), (36, 7129090), (40, 6416181), (45, 5703272), (60, 4277454), (72, 3564545), (90, 2851636), (120, 2138727), (180, 1425818), (360, 712909)]