81164340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450913}}^1$

素因数の和:450928

約数の個数: 36

約数和(自身を含む): 246199044

約数和(自身を除く): 165034704

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450913, 901826, 1352739, 1803652, 2254565, 2705478, 4058217, 4509130, 5410956, 6763695, 8116434, 9018260, 13527390, 16232868, 20291085, 27054780, 40582170, 81164340]

約数ペア:

[(1, 81164340), (2, 40582170), (3, 27054780), (4, 20291085), (5, 16232868), (6, 13527390), (9, 9018260), (10, 8116434), (12, 6763695), (15, 5410956), (18, 4509130), (20, 4058217), (30, 2705478), (36, 2254565), (45, 1803652), (60, 1352739), (90, 901826), (180, 450913)]