81544680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32359}}^1$

素因数の和:32383

約数の個数: 96

約数和(自身を含む): 302889600

約数和(自身を除く): 221344920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32359, 64718, 97077, 129436, 161795, 194154, 226513, 258872, 291231, 323590, 388308, 453026, 485385, 582462, 647180, 679539, 776616, 906052, 970770, 1132565, 1164924, 1294360, 1359078, 1456155, 1812104, 1941540, 2038617, 2265130, 2329848, 2718156, 2912310, 3397695, 3883080, 4077234, 4530260, 5436312, 5824620, 6795390, 8154468, 9060520, 10193085, 11649240, 13590780, 16308936, 20386170, 27181560, 40772340, 81544680]

約数ペア:

[(1, 81544680), (2, 40772340), (3, 27181560), (4, 20386170), (5, 16308936), (6, 13590780), (7, 11649240), (8, 10193085), (9, 9060520), (10, 8154468), (12, 6795390), (14, 5824620), (15, 5436312), (18, 4530260), (20, 4077234), (21, 3883080), (24, 3397695), (28, 2912310), (30, 2718156), (35, 2329848), (36, 2265130), (40, 2038617), (42, 1941540), (45, 1812104), (56, 1456155), (60, 1359078), (63, 1294360), (70, 1164924), (72, 1132565), (84, 970770), (90, 906052), (105, 776616), (120, 679539), (126, 647180), (140, 582462), (168, 485385), (180, 453026), (210, 388308), (252, 323590), (280, 291231), (315, 258872), (360, 226513), (420, 194154), (504, 161795), (630, 129436), (840, 97077), (1260, 64718), (2520, 32359)]