2040679980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{419893}}^1$

素因数の和:419917

約数の個数: 72

約数和(自身を含む): 6419339472

約数和(自身を除く): 4378659492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 419893, 839786, 1259679, 1679572, 2099465, 2519358, 3779037, 4198930, 5038716, 6298395, 7558074, 8397860, 11337111, 12596790, 15116148, 18895185, 22674222, 25193580, 34011333, 37790370, 45348444, 56685555, 68022666, 75580740, 102033999, 113371110, 136045332, 170056665, 204067998, 226742220, 340113330, 408135996, 510169995, 680226660, 1020339990, 2040679980]

約数ペア:

[(1, 2040679980), (2, 1020339990), (3, 680226660), (4, 510169995), (5, 408135996), (6, 340113330), (9, 226742220), (10, 204067998), (12, 170056665), (15, 136045332), (18, 113371110), (20, 102033999), (27, 75580740), (30, 68022666), (36, 56685555), (45, 45348444), (54, 37790370), (60, 34011333), (81, 25193580), (90, 22674222), (108, 18895185), (135, 15116148), (162, 12596790), (180, 11337111), (243, 8397860), (270, 7558074), (324, 6298395), (405, 5038716), (486, 4198930), (540, 3779037), (810, 2519358), (972, 2099465), (1215, 1679572), (1620, 1259679), (2430, 839786), (4860, 419893)]