128794860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{26501}}^1$

素因数の和:26525

約数の個数: 72

約数和(自身を含む): 405162576

約数和(自身を除く): 276367716

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, 26501, 53002, 79503, 106004, 132505, 159006, 238509, 265010, 318012, 397515, 477018, 530020, 715527, 795030, 954036, 1192545, 1431054, 1590060, 2146581, 2385090, 2862108, 3577635, 4293162, 4770180, 6439743, 7155270, 8586324, 10732905, 12879486, 14310540, 21465810, 25758972, 32198715, 42931620, 64397430, 128794860]

約数ペア:

[(1, 128794860), (2, 64397430), (3, 42931620), (4, 32198715), (5, 25758972), (6, 21465810), (9, 14310540), (10, 12879486), (12, 10732905), (15, 8586324), (18, 7155270), (20, 6439743), (27, 4770180), (30, 4293162), (36, 3577635), (45, 2862108), (54, 2385090), (60, 2146581), (81, 1590060), (90, 1431054), (108, 1192545), (135, 954036), (162, 795030), (180, 715527), (243, 530020), (270, 477018), (324, 397515), (405, 318012), (486, 265010), (540, 238509), (810, 159006), (972, 132505), (1215, 106004), (1620, 79503), (2430, 53002), (4860, 26501)]