8621480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 22740480

約数和(自身を除く): 14119000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 751, 820, 1148, 1435, 1502, 1640, 2296, 2870, 3004, 3755, 5257, 5740, 6008, 7510, 10514, 11480, 15020, 21028, 26285, 30040, 30791, 42056, 52570, 61582, 105140, 123164, 153955, 210280, 215537, 246328, 307910, 431074, 615820, 862148, 1077685, 1231640, 1724296, 2155370, 4310740, 8621480]

約数ペア:

[(1, 8621480), (2, 4310740), (4, 2155370), (5, 1724296), (7, 1231640), (8, 1077685), (10, 862148), (14, 615820), (20, 431074), (28, 307910), (35, 246328), (40, 215537), (41, 210280), (56, 153955), (70, 123164), (82, 105140), (140, 61582), (164, 52570), (205, 42056), (280, 30791), (287, 30040), (328, 26285), (410, 21028), (574, 15020), (751, 11480), (820, 10514), (1148, 7510), (1435, 6008), (1502, 5740), (1640, 5257), (2296, 3755), (2870, 3004)]