1991878320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8299493}}^1$

素因数の和:8299509

約数の個数: 40

約数和(自身を含む): 6174823536

約数和(自身を除く): 4182945216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8299493, 16598986, 24898479, 33197972, 41497465, 49796958, 66395944, 82994930, 99593916, 124492395, 132791888, 165989860, 199187832, 248984790, 331979720, 398375664, 497969580, 663959440, 995939160, 1991878320]

約数ペア:

[(1, 1991878320), (2, 995939160), (3, 663959440), (4, 497969580), (5, 398375664), (6, 331979720), (8, 248984790), (10, 199187832), (12, 165989860), (15, 132791888), (16, 124492395), (20, 99593916), (24, 82994930), (30, 66395944), (40, 49796958), (48, 41497465), (60, 33197972), (80, 24898479), (120, 16598986), (240, 8299493)]