155320920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431447}}^1$

素因数の和:431464

約数の個数: 48

約数和(自身を含む): 504794160

約数和(自身を除く): 349473240

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, 431447, 862894, 1294341, 1725788, 2157235, 2588682, 3451576, 3883023, 4314470, 5177364, 6471705, 7766046, 8628940, 10354728, 12943410, 15532092, 17257880, 19415115, 25886820, 31064184, 38830230, 51773640, 77660460, 155320920]

約数ペア:

[(1, 155320920), (2, 77660460), (3, 51773640), (4, 38830230), (5, 31064184), (6, 25886820), (8, 19415115), (9, 17257880), (10, 15532092), (12, 12943410), (15, 10354728), (18, 8628940), (20, 7766046), (24, 6471705), (30, 5177364), (36, 4314470), (40, 3883023), (45, 3451576), (60, 2588682), (72, 2157235), (90, 1725788), (120, 1294341), (180, 862894), (360, 431447)]