257273160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2143943}}^1$

素因数の和:2143957

約数の個数: 32

約数和(自身を含む): 771819840

約数和(自身を除く): 514546680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2143943, 4287886, 6431829, 8575772, 10719715, 12863658, 17151544, 21439430, 25727316, 32159145, 42878860, 51454632, 64318290, 85757720, 128636580, 257273160]

約数ペア:

[(1, 257273160), (2, 128636580), (3, 85757720), (4, 64318290), (5, 51454632), (6, 42878860), (8, 32159145), (10, 25727316), (12, 21439430), (15, 17151544), (20, 12863658), (24, 10719715), (30, 8575772), (40, 6431829), (60, 4287886), (120, 2143943)]