201813080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1627}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 520439040

約数和(自身を除く): 318625960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 886, 1627, 1772, 2215, 3101, 3254, 3544, 4430, 6202, 6508, 8135, 8860, 11389, 12404, 13016, 15505, 16270, 17720, 22778, 24808, 31010, 32540, 45556, 56945, 62020, 65080, 91112, 113890, 124040, 227780, 455560, 720761, 1441522, 2883044, 3603805, 5045327, 5766088, 7207610, 10090654, 14415220, 20181308, 25226635, 28830440, 40362616, 50453270, 100906540, 201813080]

約数ペア:

[(1, 201813080), (2, 100906540), (4, 50453270), (5, 40362616), (7, 28830440), (8, 25226635), (10, 20181308), (14, 14415220), (20, 10090654), (28, 7207610), (35, 5766088), (40, 5045327), (56, 3603805), (70, 2883044), (140, 1441522), (280, 720761), (443, 455560), (886, 227780), (1627, 124040), (1772, 113890), (2215, 91112), (3101, 65080), (3254, 62020), (3544, 56945), (4430, 45556), (6202, 32540), (6508, 31010), (8135, 24808), (8860, 22778), (11389, 17720), (12404, 16270), (13016, 15505)]