28213080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33587}}^1$

素因数の和:33608

約数の個数: 64

約数和(自身を含む): 96733440

約数和(自身を除く): 68520360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33587, 67174, 100761, 134348, 167935, 201522, 235109, 268696, 335870, 403044, 470218, 503805, 671740, 705327, 806088, 940436, 1007610, 1175545, 1343480, 1410654, 1880872, 2015220, 2351090, 2821308, 3526635, 4030440, 4702180, 5642616, 7053270, 9404360, 14106540, 28213080]

約数ペア:

[(1, 28213080), (2, 14106540), (3, 9404360), (4, 7053270), (5, 5642616), (6, 4702180), (7, 4030440), (8, 3526635), (10, 2821308), (12, 2351090), (14, 2015220), (15, 1880872), (20, 1410654), (21, 1343480), (24, 1175545), (28, 1007610), (30, 940436), (35, 806088), (40, 705327), (42, 671740), (56, 503805), (60, 470218), (70, 403044), (84, 335870), (105, 268696), (120, 235109), (140, 201522), (168, 167935), (210, 134348), (280, 100761), (420, 67174), (840, 33587)]