12783309390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{220897}}^1$

素因数の和:221553

約数の個数: 48

約数和(自身を含む): 33288445008

約数和(自身を除く): 20505135618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 643, 1286, 1929, 3215, 3858, 5787, 6430, 9645, 11574, 19290, 28935, 57870, 220897, 441794, 662691, 1104485, 1325382, 1988073, 2208970, 3313455, 3976146, 6626910, 9940365, 19880730, 142036771, 284073542, 426110313, 710183855, 852220626, 1278330939, 1420367710, 2130551565, 2556661878, 4261103130, 6391654695, 12783309390]

約数ペア:

[(1, 12783309390), (2, 6391654695), (3, 4261103130), (5, 2556661878), (6, 2130551565), (9, 1420367710), (10, 1278330939), (15, 852220626), (18, 710183855), (30, 426110313), (45, 284073542), (90, 142036771), (643, 19880730), (1286, 9940365), (1929, 6626910), (3215, 3976146), (3858, 3313455), (5787, 2208970), (6430, 1988073), (9645, 1325382), (11574, 1104485), (19290, 662691), (28935, 441794), (57870, 220897)]