421111620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{16831}}^1$

素因数の和:16985

約数の個数: 72

約数和(自身を含む): 1286638080

約数和(自身を除く): 865526460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 16831, 25020, 33662, 50493, 67324, 84155, 100986, 151479, 168310, 201972, 252465, 302958, 336620, 504930, 605916, 757395, 1009860, 1514790, 2339509, 3029580, 4679018, 7018527, 9358036, 11697545, 14037054, 21055581, 23395090, 28074108, 35092635, 42111162, 46790180, 70185270, 84222324, 105277905, 140370540, 210555810, 421111620]

約数ペア:

[(1, 421111620), (2, 210555810), (3, 140370540), (4, 105277905), (5, 84222324), (6, 70185270), (9, 46790180), (10, 42111162), (12, 35092635), (15, 28074108), (18, 23395090), (20, 21055581), (30, 14037054), (36, 11697545), (45, 9358036), (60, 7018527), (90, 4679018), (139, 3029580), (180, 2339509), (278, 1514790), (417, 1009860), (556, 757395), (695, 605916), (834, 504930), (1251, 336620), (1390, 302958), (1668, 252465), (2085, 201972), (2502, 168310), (2780, 151479), (4170, 100986), (5004, 84155), (6255, 67324), (8340, 50493), (12510, 33662), (16831, 25020)]