646439940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7529}}^1$

素因数の和:7603

約数の個数: 120

約数和(自身を含む): 2066442840

約数和(自身を除く): 1420002900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 954, 1060, 1431, 1590, 1620, 1908, 2385, 2862, 3180, 4293, 4770, 5724, 7155, 7529, 8586, 9540, 14310, 15058, 17172, 21465, 22587, 28620, 30116, 37645, 42930, 45174, 67761, 75290, 85860, 90348, 112935, 135522, 150580, 203283, 225870, 271044, 338805, 399037, 406566, 451740, 609849, 677610, 798074, 813132, 1016415, 1197111, 1219698, 1355220, 1596148, 1995185, 2032830, 2394222, 2439396, 3049245, 3591333, 3990370, 4065660, 4788444, 5985555, 6098490, 7182666, 7980740, 10773999, 11971110, 12196980, 14365332, 17956665, 21547998, 23942220, 32321997, 35913330, 43095996, 53869995, 64643994, 71826660, 107739990, 129287988, 161609985, 215479980, 323219970, 646439940]

約数ペア:

[(1, 646439940), (2, 323219970), (3, 215479980), (4, 161609985), (5, 129287988), (6, 107739990), (9, 71826660), (10, 64643994), (12, 53869995), (15, 43095996), (18, 35913330), (20, 32321997), (27, 23942220), (30, 21547998), (36, 17956665), (45, 14365332), (53, 12196980), (54, 11971110), (60, 10773999), (81, 7980740), (90, 7182666), (106, 6098490), (108, 5985555), (135, 4788444), (159, 4065660), (162, 3990370), (180, 3591333), (212, 3049245), (265, 2439396), (270, 2394222), (318, 2032830), (324, 1995185), (405, 1596148), (477, 1355220), (530, 1219698), (540, 1197111), (636, 1016415), (795, 813132), (810, 798074), (954, 677610), (1060, 609849), (1431, 451740), (1590, 406566), (1620, 399037), (1908, 338805), (2385, 271044), (2862, 225870), (3180, 203283), (4293, 150580), (4770, 135522), (5724, 112935), (7155, 90348), (7529, 85860), (8586, 75290), (9540, 67761), (14310, 45174), (15058, 42930), (17172, 37645), (21465, 30116), (22587, 28620)]