164405520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{228341}}^1$

素因数の和:228360

約数の個数: 60

約数和(自身を含む): 552130956

約数和(自身を除く): 387725436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 228341, 456682, 685023, 913364, 1141705, 1370046, 1826728, 2055069, 2283410, 2740092, 3425115, 3653456, 4110138, 4566820, 5480184, 6850230, 8220276, 9133640, 10275345, 10960368, 13700460, 16440552, 18267280, 20550690, 27400920, 32881104, 41101380, 54801840, 82202760, 164405520]

約数ペア:

[(1, 164405520), (2, 82202760), (3, 54801840), (4, 41101380), (5, 32881104), (6, 27400920), (8, 20550690), (9, 18267280), (10, 16440552), (12, 13700460), (15, 10960368), (16, 10275345), (18, 9133640), (20, 8220276), (24, 6850230), (30, 5480184), (36, 4566820), (40, 4110138), (45, 3653456), (48, 3425115), (60, 2740092), (72, 2283410), (80, 2055069), (90, 1826728), (120, 1370046), (144, 1141705), (180, 913364), (240, 685023), (360, 456682), (720, 228341)]