1320739980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3144619}}^1$

素因数の和:3144638

約数の個数: 48

約数和(自身を含む): 4226369280

約数和(自身を除く): 2905629300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3144619, 6289238, 9433857, 12578476, 15723095, 18867714, 22012333, 31446190, 37735428, 44024666, 47169285, 62892380, 66036999, 88049332, 94338570, 110061665, 132073998, 188677140, 220123330, 264147996, 330184995, 440246660, 660369990, 1320739980]

約数ペア:

[(1, 1320739980), (2, 660369990), (3, 440246660), (4, 330184995), (5, 264147996), (6, 220123330), (7, 188677140), (10, 132073998), (12, 110061665), (14, 94338570), (15, 88049332), (20, 66036999), (21, 62892380), (28, 47169285), (30, 44024666), (35, 37735428), (42, 31446190), (60, 22012333), (70, 18867714), (84, 15723095), (105, 12578476), (140, 9433857), (210, 6289238), (420, 3144619)]