81645120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28349}}^1$

素因数の和:28372

約数の個数: 84

約数和(自身を含む): 280835100

約数和(自身を除く): 199189980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28349, 56698, 85047, 113396, 141745, 170094, 226792, 255141, 283490, 340188, 425235, 453584, 510282, 566980, 680376, 850470, 907168, 1020564, 1133960, 1275705, 1360752, 1700940, 1814336, 2041128, 2267920, 2551410, 2721504, 3401880, 4082256, 4535840, 5102820, 5443008, 6803760, 8164512, 9071680, 10205640, 13607520, 16329024, 20411280, 27215040, 40822560, 81645120]

約数ペア:

[(1, 81645120), (2, 40822560), (3, 27215040), (4, 20411280), (5, 16329024), (6, 13607520), (8, 10205640), (9, 9071680), (10, 8164512), (12, 6803760), (15, 5443008), (16, 5102820), (18, 4535840), (20, 4082256), (24, 3401880), (30, 2721504), (32, 2551410), (36, 2267920), (40, 2041128), (45, 1814336), (48, 1700940), (60, 1360752), (64, 1275705), (72, 1133960), (80, 1020564), (90, 907168), (96, 850470), (120, 680376), (144, 566980), (160, 510282), (180, 453584), (192, 425235), (240, 340188), (288, 283490), (320, 255141), (360, 226792), (480, 170094), (576, 141745), (720, 113396), (960, 85047), (1440, 56698), (2880, 28349)]