121387440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{505781}}^1$

素因数の和:505797

約数の個数: 40

約数和(自身を含む): 376301808

約数和(自身を除く): 254914368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 505781, 1011562, 1517343, 2023124, 2528905, 3034686, 4046248, 5057810, 6069372, 7586715, 8092496, 10115620, 12138744, 15173430, 20231240, 24277488, 30346860, 40462480, 60693720, 121387440]

約数ペア:

[(1, 121387440), (2, 60693720), (3, 40462480), (4, 30346860), (5, 24277488), (6, 20231240), (8, 15173430), (10, 12138744), (12, 10115620), (15, 8092496), (16, 7586715), (20, 6069372), (24, 5057810), (30, 4046248), (40, 3034686), (48, 2528905), (60, 2023124), (80, 1517343), (120, 1011562), (240, 505781)]