15560720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 42521088

約数和(自身を除く): 26960368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 751, 1036, 1295, 1480, 1502, 2072, 2590, 2960, 3004, 3755, 4144, 5180, 5257, 6008, 7510, 10360, 10514, 12016, 15020, 20720, 21028, 26285, 27787, 30040, 42056, 52570, 55574, 60080, 84112, 105140, 111148, 138935, 194509, 210280, 222296, 277870, 389018, 420560, 444592, 555740, 778036, 972545, 1111480, 1556072, 1945090, 2222960, 3112144, 3890180, 7780360, 15560720]

約数ペア:

[(1, 15560720), (2, 7780360), (4, 3890180), (5, 3112144), (7, 2222960), (8, 1945090), (10, 1556072), (14, 1111480), (16, 972545), (20, 778036), (28, 555740), (35, 444592), (37, 420560), (40, 389018), (56, 277870), (70, 222296), (74, 210280), (80, 194509), (112, 138935), (140, 111148), (148, 105140), (185, 84112), (259, 60080), (280, 55574), (296, 52570), (370, 42056), (518, 30040), (560, 27787), (592, 26285), (740, 21028), (751, 20720), (1036, 15020), (1295, 12016), (1480, 10514), (1502, 10360), (2072, 7510), (2590, 6008), (2960, 5257), (3004, 5180), (3755, 4144)]