68480820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2777}}^1$

素因数の和:2929

約数の個数: 72

約数和(自身を含む): 209316744

約数和(自身を除く): 140835924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 2777, 4110, 4932, 5554, 6165, 8220, 8331, 11108, 12330, 13885, 16662, 24660, 24993, 27770, 33324, 41655, 49986, 55540, 83310, 99972, 124965, 166620, 249930, 380449, 499860, 760898, 1141347, 1521796, 1902245, 2282694, 3424041, 3804490, 4565388, 5706735, 6848082, 7608980, 11413470, 13696164, 17120205, 22826940, 34240410, 68480820]

約数ペア:

[(1, 68480820), (2, 34240410), (3, 22826940), (4, 17120205), (5, 13696164), (6, 11413470), (9, 7608980), (10, 6848082), (12, 5706735), (15, 4565388), (18, 3804490), (20, 3424041), (30, 2282694), (36, 1902245), (45, 1521796), (60, 1141347), (90, 760898), (137, 499860), (180, 380449), (274, 249930), (411, 166620), (548, 124965), (685, 99972), (822, 83310), (1233, 55540), (1370, 49986), (1644, 41655), (2055, 33324), (2466, 27770), (2740, 24993), (2777, 24660), (4110, 16662), (4932, 13885), (5554, 12330), (6165, 11108), (8220, 8331)]