978990660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{8329}}^1$

素因数の和:8997

約数の個数: 72

約数和(自身を含む): 2974509720

約数和(自身を除く): 1995519060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 1306, 1959, 2612, 3265, 3918, 5877, 6530, 7836, 8329, 9795, 11754, 13060, 16658, 19590, 23508, 24987, 29385, 33316, 39180, 41645, 49974, 58770, 74961, 83290, 99948, 117540, 124935, 149922, 166580, 249870, 299844, 374805, 499740, 749610, 1499220, 5438837, 10877674, 16316511, 21755348, 27194185, 32633022, 48949533, 54388370, 65266044, 81582555, 97899066, 108776740, 163165110, 195798132, 244747665, 326330220, 489495330, 978990660]

約数ペア:

[(1, 978990660), (2, 489495330), (3, 326330220), (4, 244747665), (5, 195798132), (6, 163165110), (9, 108776740), (10, 97899066), (12, 81582555), (15, 65266044), (18, 54388370), (20, 48949533), (30, 32633022), (36, 27194185), (45, 21755348), (60, 16316511), (90, 10877674), (180, 5438837), (653, 1499220), (1306, 749610), (1959, 499740), (2612, 374805), (3265, 299844), (3918, 249870), (5877, 166580), (6530, 149922), (7836, 124935), (8329, 117540), (9795, 99948), (11754, 83290), (13060, 74961), (16658, 58770), (19590, 49974), (23508, 41645), (24987, 39180), (29385, 33316)]