1321703680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93871}}^1$

素因数の和:93903

約数の個数: 72

約数和(自身を含む): 3453738624

約数和(自身を除く): 2132034944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 93871, 187742, 375484, 469355, 750968, 938710, 1032581, 1501936, 1877420, 2065162, 3003872, 3754840, 4130324, 5162905, 6007744, 7509680, 8260648, 10325810, 12015488, 15019360, 16521296, 20651620, 24030976, 30038720, 33042592, 41303240, 60077440, 66085184, 82606480, 120154880, 132170368, 165212960, 264340736, 330425920, 660851840, 1321703680]

約数ペア:

[(1, 1321703680), (2, 660851840), (4, 330425920), (5, 264340736), (8, 165212960), (10, 132170368), (11, 120154880), (16, 82606480), (20, 66085184), (22, 60077440), (32, 41303240), (40, 33042592), (44, 30038720), (55, 24030976), (64, 20651620), (80, 16521296), (88, 15019360), (110, 12015488), (128, 10325810), (160, 8260648), (176, 7509680), (220, 6007744), (256, 5162905), (320, 4130324), (352, 3754840), (440, 3003872), (640, 2065162), (704, 1877420), (880, 1501936), (1280, 1032581), (1408, 938710), (1760, 750968), (2816, 469355), (3520, 375484), (7040, 187742), (14080, 93871)]