1269447680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{247939}}^1$

素因数の和:247964

約数の個数: 44

約数和(自身を含む): 3045199080

約数和(自身を除く): 1775751400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 247939, 495878, 991756, 1239695, 1983512, 2479390, 3967024, 4958780, 7934048, 9917560, 15868096, 19835120, 31736192, 39670240, 63472384, 79340480, 126944768, 158680960, 253889536, 317361920, 634723840, 1269447680]

約数ペア:

[(1, 1269447680), (2, 634723840), (4, 317361920), (5, 253889536), (8, 158680960), (10, 126944768), (16, 79340480), (20, 63472384), (32, 39670240), (40, 31736192), (64, 19835120), (80, 15868096), (128, 9917560), (160, 7934048), (256, 4958780), (320, 3967024), (512, 2479390), (640, 1983512), (1024, 1239695), (1280, 991756), (2560, 495878), (5120, 247939)]