208673820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42937}}^1$

素因数の和:42961

約数の個数: 72

約数和(自身を含む): 656436144

約数和(自身を除く): 447762324

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, 42937, 85874, 128811, 171748, 214685, 257622, 386433, 429370, 515244, 644055, 772866, 858740, 1159299, 1288110, 1545732, 1932165, 2318598, 2576220, 3477897, 3864330, 4637196, 5796495, 6955794, 7728660, 10433691, 11592990, 13911588, 17389485, 20867382, 23185980, 34778970, 41734764, 52168455, 69557940, 104336910, 208673820]

約数ペア:

[(1, 208673820), (2, 104336910), (3, 69557940), (4, 52168455), (5, 41734764), (6, 34778970), (9, 23185980), (10, 20867382), (12, 17389485), (15, 13911588), (18, 11592990), (20, 10433691), (27, 7728660), (30, 6955794), (36, 5796495), (45, 4637196), (54, 3864330), (60, 3477897), (81, 2576220), (90, 2318598), (108, 1932165), (135, 1545732), (162, 1288110), (180, 1159299), (243, 858740), (270, 772866), (324, 644055), (405, 515244), (486, 429370), (540, 386433), (810, 257622), (972, 214685), (1215, 171748), (1620, 128811), (2430, 85874), (4860, 42937)]