51240840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61001}}^1$

素因数の和:61022

約数の個数: 64

約数和(自身を含む): 175685760

約数和(自身を除く): 124444920

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, 61001, 122002, 183003, 244004, 305005, 366006, 427007, 488008, 610010, 732012, 854014, 915015, 1220020, 1281021, 1464024, 1708028, 1830030, 2135035, 2440040, 2562042, 3416056, 3660060, 4270070, 5124084, 6405105, 7320120, 8540140, 10248168, 12810210, 17080280, 25620420, 51240840]

約数ペア:

[(1, 51240840), (2, 25620420), (3, 17080280), (4, 12810210), (5, 10248168), (6, 8540140), (7, 7320120), (8, 6405105), (10, 5124084), (12, 4270070), (14, 3660060), (15, 3416056), (20, 2562042), (21, 2440040), (24, 2135035), (28, 1830030), (30, 1708028), (35, 1464024), (40, 1281021), (42, 1220020), (56, 915015), (60, 854014), (70, 732012), (84, 610010), (105, 488008), (120, 427007), (140, 366006), (168, 305005), (210, 244004), (280, 183003), (420, 122002), (840, 61001)]