1286372940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{33343}}^1$

素因数の和:33998

約数の個数: 48

約数和(自身を含む): 3607554048

約数和(自身を除く): 2321181108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 19290, 33343, 38580, 66686, 100029, 133372, 166715, 200058, 333430, 400116, 500145, 666860, 1000290, 2000580, 21439549, 42879098, 64318647, 85758196, 107197745, 128637294, 214395490, 257274588, 321593235, 428790980, 643186470, 1286372940]

約数ペア:

[(1, 1286372940), (2, 643186470), (3, 428790980), (4, 321593235), (5, 257274588), (6, 214395490), (10, 128637294), (12, 107197745), (15, 85758196), (20, 64318647), (30, 42879098), (60, 21439549), (643, 2000580), (1286, 1000290), (1929, 666860), (2572, 500145), (3215, 400116), (3858, 333430), (6430, 200058), (7716, 166715), (9645, 133372), (12860, 100029), (19290, 66686), (33343, 38580)]