1246385920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74903}}^1$

素因数の和:74937

約数の個数: 72

約数和(自身を含む): 3215179296

約数和(自身を除く): 1968793376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 74903, 149806, 299612, 374515, 599224, 749030, 973739, 1198448, 1498060, 1947478, 2396896, 2996120, 3894956, 4793792, 4868695, 5992240, 7789912, 9587584, 9737390, 11984480, 15579824, 19175168, 19474780, 23968960, 31159648, 38949560, 47937920, 62319296, 77899120, 95875840, 124638592, 155798240, 249277184, 311596480, 623192960, 1246385920]

約数ペア:

[(1, 1246385920), (2, 623192960), (4, 311596480), (5, 249277184), (8, 155798240), (10, 124638592), (13, 95875840), (16, 77899120), (20, 62319296), (26, 47937920), (32, 38949560), (40, 31159648), (52, 23968960), (64, 19474780), (65, 19175168), (80, 15579824), (104, 11984480), (128, 9737390), (130, 9587584), (160, 7789912), (208, 5992240), (256, 4868695), (260, 4793792), (320, 3894956), (416, 2996120), (520, 2396896), (640, 1947478), (832, 1498060), (1040, 1198448), (1280, 973739), (1664, 749030), (2080, 599224), (3328, 374515), (4160, 299612), (8320, 149806), (16640, 74903)]