1281745620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{791201}}^1$

素因数の和:791222

約数の個数: 60

約数和(自身を含む): 4020888564

約数和(自身を除く): 2739142944

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, 270, 324, 405, 540, 810, 1620, 791201, 1582402, 2373603, 3164804, 3956005, 4747206, 7120809, 7912010, 9494412, 11868015, 14241618, 15824020, 21362427, 23736030, 28483236, 35604045, 42724854, 47472060, 64087281, 71208090, 85449708, 106812135, 128174562, 142416180, 213624270, 256349124, 320436405, 427248540, 640872810, 1281745620]

約数ペア:

[(1, 1281745620), (2, 640872810), (3, 427248540), (4, 320436405), (5, 256349124), (6, 213624270), (9, 142416180), (10, 128174562), (12, 106812135), (15, 85449708), (18, 71208090), (20, 64087281), (27, 47472060), (30, 42724854), (36, 35604045), (45, 28483236), (54, 23736030), (60, 21362427), (81, 15824020), (90, 14241618), (108, 11868015), (135, 9494412), (162, 7912010), (180, 7120809), (270, 4747206), (324, 3956005), (405, 3164804), (540, 2373603), (810, 1582402), (1620, 791201)]