80987520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42181}}^1$

素因数の和:42203

約数の個数: 64

約数和(自身を含む): 258153840

約数和(自身を除く): 177166320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42181, 84362, 126543, 168724, 210905, 253086, 337448, 421810, 506172, 632715, 674896, 843620, 1012344, 1265430, 1349792, 1687240, 2024688, 2530860, 2699584, 3374480, 4049376, 5061720, 5399168, 6748960, 8098752, 10123440, 13497920, 16197504, 20246880, 26995840, 40493760, 80987520]

約数ペア:

[(1, 80987520), (2, 40493760), (3, 26995840), (4, 20246880), (5, 16197504), (6, 13497920), (8, 10123440), (10, 8098752), (12, 6748960), (15, 5399168), (16, 5061720), (20, 4049376), (24, 3374480), (30, 2699584), (32, 2530860), (40, 2024688), (48, 1687240), (60, 1349792), (64, 1265430), (80, 1012344), (96, 843620), (120, 674896), (128, 632715), (160, 506172), (192, 421810), (240, 337448), (320, 253086), (384, 210905), (480, 168724), (640, 126543), (960, 84362), (1920, 42181)]