90877080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{108187}}^1$

素因数の和:108208

約数の個数: 64

約数和(自身を含む): 311581440

約数和(自身を除く): 220704360

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, 108187, 216374, 324561, 432748, 540935, 649122, 757309, 865496, 1081870, 1298244, 1514618, 1622805, 2163740, 2271927, 2596488, 3029236, 3245610, 3786545, 4327480, 4543854, 6058472, 6491220, 7573090, 9087708, 11359635, 12982440, 15146180, 18175416, 22719270, 30292360, 45438540, 90877080]

約数ペア:

[(1, 90877080), (2, 45438540), (3, 30292360), (4, 22719270), (5, 18175416), (6, 15146180), (7, 12982440), (8, 11359635), (10, 9087708), (12, 7573090), (14, 6491220), (15, 6058472), (20, 4543854), (21, 4327480), (24, 3786545), (28, 3245610), (30, 3029236), (35, 2596488), (40, 2271927), (42, 2163740), (56, 1622805), (60, 1514618), (70, 1298244), (84, 1081870), (105, 865496), (120, 757309), (140, 649122), (168, 540935), (210, 432748), (280, 324561), (420, 216374), (840, 108187)]