81344340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5869}}^1$

素因数の和:5902

約数の個数: 144

約数和(自身を含む): 307681920

約数和(自身を除く): 226337580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 5869, 6930, 11738, 13860, 17607, 23476, 29345, 35214, 41083, 52821, 58690, 64559, 70428, 82166, 88035, 105642, 117380, 123249, 129118, 164332, 176070, 193677, 205415, 211284, 246498, 258236, 264105, 322795, 352140, 369747, 387354, 410830, 451913, 492996, 528210, 581031, 616245, 645590, 739494, 774708, 821660, 903826, 968385, 1056420, 1162062, 1232490, 1291180, 1355739, 1478988, 1807652, 1848735, 1936770, 2259565, 2324124, 2464980, 2711478, 2905155, 3697470, 3873540, 4067217, 4519130, 5422956, 5810310, 6778695, 7394940, 8134434, 9038260, 11620620, 13557390, 16268868, 20336085, 27114780, 40672170, 81344340]

約数ペア:

[(1, 81344340), (2, 40672170), (3, 27114780), (4, 20336085), (5, 16268868), (6, 13557390), (7, 11620620), (9, 9038260), (10, 8134434), (11, 7394940), (12, 6778695), (14, 5810310), (15, 5422956), (18, 4519130), (20, 4067217), (21, 3873540), (22, 3697470), (28, 2905155), (30, 2711478), (33, 2464980), (35, 2324124), (36, 2259565), (42, 1936770), (44, 1848735), (45, 1807652), (55, 1478988), (60, 1355739), (63, 1291180), (66, 1232490), (70, 1162062), (77, 1056420), (84, 968385), (90, 903826), (99, 821660), (105, 774708), (110, 739494), (126, 645590), (132, 616245), (140, 581031), (154, 528210), (165, 492996), (180, 451913), (198, 410830), (210, 387354), (220, 369747), (231, 352140), (252, 322795), (308, 264105), (315, 258236), (330, 246498), (385, 211284), (396, 205415), (420, 193677), (462, 176070), (495, 164332), (630, 129118), (660, 123249), (693, 117380), (770, 105642), (924, 88035), (990, 82166), (1155, 70428), (1260, 64559), (1386, 58690), (1540, 52821), (1980, 41083), (2310, 35214), (2772, 29345), (3465, 23476), (4620, 17607), (5869, 13860), (6930, 11738)]