161865270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{85643}}^1$

素因数の和:85666

約数の個数: 64

約数和(自身を含む): 493309440

約数和(自身を除く): 331444170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 85643, 171286, 256929, 428215, 513858, 599501, 770787, 856430, 1199002, 1284645, 1541574, 1798503, 2312361, 2569290, 2997505, 3597006, 3853935, 4624722, 5395509, 5995010, 7707870, 8992515, 10791018, 11561805, 16186527, 17985030, 23123610, 26977545, 32373054, 53955090, 80932635, 161865270]

約数ペア:

[(1, 161865270), (2, 80932635), (3, 53955090), (5, 32373054), (6, 26977545), (7, 23123610), (9, 17985030), (10, 16186527), (14, 11561805), (15, 10791018), (18, 8992515), (21, 7707870), (27, 5995010), (30, 5395509), (35, 4624722), (42, 3853935), (45, 3597006), (54, 2997505), (63, 2569290), (70, 2312361), (90, 1798503), (105, 1541574), (126, 1284645), (135, 1199002), (189, 856430), (210, 770787), (270, 599501), (315, 513858), (378, 428215), (630, 256929), (945, 171286), (1890, 85643)]