48720280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 126074880

約数和(自身を除く): 77354600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 911, 955, 1337, 1528, 1822, 1910, 2674, 3644, 3820, 4555, 5348, 6377, 6685, 7288, 7640, 9110, 10696, 12754, 13370, 18220, 25508, 26740, 31885, 36440, 51016, 53480, 63770, 127540, 174001, 255080, 348002, 696004, 870005, 1218007, 1392008, 1740010, 2436014, 3480020, 4872028, 6090035, 6960040, 9744056, 12180070, 24360140, 48720280]

約数ペア:

[(1, 48720280), (2, 24360140), (4, 12180070), (5, 9744056), (7, 6960040), (8, 6090035), (10, 4872028), (14, 3480020), (20, 2436014), (28, 1740010), (35, 1392008), (40, 1218007), (56, 870005), (70, 696004), (140, 348002), (191, 255080), (280, 174001), (382, 127540), (764, 63770), (911, 53480), (955, 51016), (1337, 36440), (1528, 31885), (1822, 26740), (1910, 25508), (2674, 18220), (3644, 13370), (3820, 12754), (4555, 10696), (5348, 9110), (6377, 7640), (6685, 7288)]