20154711480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1127221}}^1$

素因数の和:1127384

約数の個数: 64

約数和(自身を含む): 60869988000

約数和(自身を除く): 40715276520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 5960, 8940, 17880, 1127221, 2254442, 3381663, 4508884, 5636105, 6763326, 9017768, 11272210, 13526652, 16908315, 22544420, 27053304, 33816630, 45088840, 67633260, 135266520, 167955929, 335911858, 503867787, 671823716, 839779645, 1007735574, 1343647432, 1679559290, 2015471148, 2519338935, 3359118580, 4030942296, 5038677870, 6718237160, 10077355740, 20154711480]

約数ペア:

[(1, 20154711480), (2, 10077355740), (3, 6718237160), (4, 5038677870), (5, 4030942296), (6, 3359118580), (8, 2519338935), (10, 2015471148), (12, 1679559290), (15, 1343647432), (20, 1007735574), (24, 839779645), (30, 671823716), (40, 503867787), (60, 335911858), (120, 167955929), (149, 135266520), (298, 67633260), (447, 45088840), (596, 33816630), (745, 27053304), (894, 22544420), (1192, 16908315), (1490, 13526652), (1788, 11272210), (2235, 9017768), (2980, 6763326), (3576, 5636105), (4470, 4508884), (5960, 3381663), (8940, 2254442), (17880, 1127221)]