2720161278

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{3323}}^1$

素因数の和:3531

約数の個数: 80

約数和(自身を含む): 6332299776

約数和(自身を除く): 3612138498

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 163, 186, 279, 326, 489, 558, 837, 978, 1467, 1674, 2511, 2934, 3323, 4401, 5022, 5053, 6646, 8802, 9969, 10106, 13203, 15159, 19938, 26406, 29907, 30318, 45477, 59814, 89721, 90954, 103013, 136431, 179442, 206026, 269163, 272862, 309039, 409293, 538326, 541649, 618078, 818586, 927117, 1083298, 1624947, 1854234, 2781351, 3249894, 4874841, 5562702, 8344053, 9749682, 14624523, 16688106, 16791119, 29249046, 33582238, 43873569, 50373357, 87747138, 100746714, 151120071, 302240142, 453360213, 906720426, 1360080639, 2720161278]

約数ペア:

[(1, 2720161278), (2, 1360080639), (3, 906720426), (6, 453360213), (9, 302240142), (18, 151120071), (27, 100746714), (31, 87747138), (54, 50373357), (62, 43873569), (81, 33582238), (93, 29249046), (162, 16791119), (163, 16688106), (186, 14624523), (279, 9749682), (326, 8344053), (489, 5562702), (558, 4874841), (837, 3249894), (978, 2781351), (1467, 1854234), (1674, 1624947), (2511, 1083298), (2934, 927117), (3323, 818586), (4401, 618078), (5022, 541649), (5053, 538326), (6646, 409293), (8802, 309039), (9969, 272862), (10106, 269163), (13203, 206026), (15159, 179442), (19938, 136431), (26406, 103013), (29907, 90954), (30318, 89721), (45477, 59814)]