15788360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 41040000

約数和(自身を除く): 25251640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 499, 565, 791, 904, 998, 1130, 1582, 1996, 2260, 2495, 3164, 3493, 3955, 3992, 4520, 4990, 6328, 6986, 7910, 9980, 13972, 15820, 17465, 19960, 27944, 31640, 34930, 56387, 69860, 112774, 139720, 225548, 281935, 394709, 451096, 563870, 789418, 1127740, 1578836, 1973545, 2255480, 3157672, 3947090, 7894180, 15788360]

約数ペア:

[(1, 15788360), (2, 7894180), (4, 3947090), (5, 3157672), (7, 2255480), (8, 1973545), (10, 1578836), (14, 1127740), (20, 789418), (28, 563870), (35, 451096), (40, 394709), (56, 281935), (70, 225548), (113, 139720), (140, 112774), (226, 69860), (280, 56387), (452, 34930), (499, 31640), (565, 27944), (791, 19960), (904, 17465), (998, 15820), (1130, 13972), (1582, 9980), (1996, 7910), (2260, 6986), (2495, 6328), (3164, 4990), (3493, 4520), (3955, 3992)]