243656320

素因数分解:

$2^7\times 5^1\times {\mathrm{380713}}^1$

素因数の和:380732

約数の個数: 32

約数和(自身を含む): 582492420

約数和(自身を除く): 338836100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 380713, 761426, 1522852, 1903565, 3045704, 3807130, 6091408, 7614260, 12182816, 15228520, 24365632, 30457040, 48731264, 60914080, 121828160, 243656320]

約数ペア:

[(1, 243656320), (2, 121828160), (4, 60914080), (5, 48731264), (8, 30457040), (10, 24365632), (16, 15228520), (20, 12182816), (32, 7614260), (40, 6091408), (64, 3807130), (80, 3045704), (128, 1903565), (160, 1522852), (320, 761426), (640, 380713)]