1330754680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{2087}}^1$

素因数の和:2956

約数の個数: 64

約数和(自身を含む): 3157056000

約数和(自身を除く): 1826301320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 839, 1678, 2087, 3356, 4174, 4195, 6712, 8348, 8390, 10435, 15941, 16696, 16780, 20870, 31882, 33560, 39653, 41740, 63764, 79306, 79705, 83480, 127528, 158612, 159410, 198265, 317224, 318820, 396530, 637640, 793060, 1586120, 1750993, 3501986, 7003972, 8754965, 14007944, 17509930, 33268867, 35019860, 66537734, 70039720, 133075468, 166344335, 266150936, 332688670, 665377340, 1330754680]

約数ペア:

[(1, 1330754680), (2, 665377340), (4, 332688670), (5, 266150936), (8, 166344335), (10, 133075468), (19, 70039720), (20, 66537734), (38, 35019860), (40, 33268867), (76, 17509930), (95, 14007944), (152, 8754965), (190, 7003972), (380, 3501986), (760, 1750993), (839, 1586120), (1678, 793060), (2087, 637640), (3356, 396530), (4174, 318820), (4195, 317224), (6712, 198265), (8348, 159410), (8390, 158612), (10435, 127528), (15941, 83480), (16696, 79705), (16780, 79306), (20870, 63764), (31882, 41740), (33560, 39653)]