81140850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{25759}}^1$

素因数の和:25784

約数の個数: 72

約数和(自身を含む): 249150720

約数和(自身を除く): 168009870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 25759, 51518, 77277, 128795, 154554, 180313, 231831, 257590, 360626, 386385, 463662, 540939, 643975, 772770, 901565, 1081878, 1159155, 1287950, 1622817, 1803130, 1931925, 2318310, 2704695, 3245634, 3863850, 4507825, 5409390, 5795775, 8114085, 9015650, 11591550, 13523475, 16228170, 27046950, 40570425, 81140850]

約数ペア:

[(1, 81140850), (2, 40570425), (3, 27046950), (5, 16228170), (6, 13523475), (7, 11591550), (9, 9015650), (10, 8114085), (14, 5795775), (15, 5409390), (18, 4507825), (21, 3863850), (25, 3245634), (30, 2704695), (35, 2318310), (42, 1931925), (45, 1803130), (50, 1622817), (63, 1287950), (70, 1159155), (75, 1081878), (90, 901565), (105, 772770), (126, 643975), (150, 540939), (175, 463662), (210, 386385), (225, 360626), (315, 257590), (350, 231831), (450, 180313), (525, 154554), (630, 128795), (1050, 77277), (1575, 51518), (3150, 25759)]