202012440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{240491}}^1$

素因数の和:240512

約数の個数: 64

約数和(自身を含む): 692616960

約数和(自身を除く): 490604520

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, 240491, 480982, 721473, 961964, 1202455, 1442946, 1683437, 1923928, 2404910, 2885892, 3366874, 3607365, 4809820, 5050311, 5771784, 6733748, 7214730, 8417185, 9619640, 10100622, 13467496, 14429460, 16834370, 20201244, 25251555, 28858920, 33668740, 40402488, 50503110, 67337480, 101006220, 202012440]

約数ペア:

[(1, 202012440), (2, 101006220), (3, 67337480), (4, 50503110), (5, 40402488), (6, 33668740), (7, 28858920), (8, 25251555), (10, 20201244), (12, 16834370), (14, 14429460), (15, 13467496), (20, 10100622), (21, 9619640), (24, 8417185), (28, 7214730), (30, 6733748), (35, 5771784), (40, 5050311), (42, 4809820), (56, 3607365), (60, 3366874), (70, 2885892), (84, 2404910), (105, 1923928), (120, 1683437), (140, 1442946), (168, 1202455), (210, 961964), (280, 721473), (420, 480982), (840, 240491)]