681566220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71443}}^1$

素因数の和:71511

約数の個数: 72

約数和(自身を含む): 2106454896

約数和(自身を除く): 1424888676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 71443, 142886, 214329, 285772, 357215, 428658, 642987, 714430, 857316, 1071645, 1285974, 1428860, 2143290, 2571948, 3214935, 3786479, 4286580, 6429870, 7572958, 11359437, 12859740, 15145916, 18932395, 22718874, 34078311, 37864790, 45437748, 56797185, 68156622, 75729580, 113594370, 136313244, 170391555, 227188740, 340783110, 681566220]

約数ペア:

[(1, 681566220), (2, 340783110), (3, 227188740), (4, 170391555), (5, 136313244), (6, 113594370), (9, 75729580), (10, 68156622), (12, 56797185), (15, 45437748), (18, 37864790), (20, 34078311), (30, 22718874), (36, 18932395), (45, 15145916), (53, 12859740), (60, 11359437), (90, 7572958), (106, 6429870), (159, 4286580), (180, 3786479), (212, 3214935), (265, 2571948), (318, 2143290), (477, 1428860), (530, 1285974), (636, 1071645), (795, 857316), (954, 714430), (1060, 642987), (1590, 428658), (1908, 357215), (2385, 285772), (3180, 214329), (4770, 142886), (9540, 71443)]