81093040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 222387552

約数和(自身を除く): 141294512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 137, 140, 151, 196, 245, 274, 280, 302, 392, 490, 548, 560, 604, 685, 755, 784, 959, 980, 1057, 1096, 1208, 1370, 1510, 1918, 1960, 2114, 2192, 2416, 2740, 3020, 3836, 3920, 4228, 4795, 5285, 5480, 6040, 6713, 7399, 7672, 8456, 9590, 10570, 10960, 12080, 13426, 14798, 15344, 16912, 19180, 20687, 21140, 26852, 29596, 33565, 36995, 38360, 41374, 42280, 53704, 59192, 67130, 73990, 76720, 82748, 84560, 103435, 107408, 118384, 134260, 144809, 147980, 165496, 206870, 268520, 289618, 295960, 330992, 413740, 537040, 579236, 591920, 724045, 827480, 1013663, 1158472, 1448090, 1654960, 2027326, 2316944, 2896180, 4054652, 5068315, 5792360, 8109304, 10136630, 11584720, 16218608, 20273260, 40546520, 81093040]

約数ペア:

[(1, 81093040), (2, 40546520), (4, 20273260), (5, 16218608), (7, 11584720), (8, 10136630), (10, 8109304), (14, 5792360), (16, 5068315), (20, 4054652), (28, 2896180), (35, 2316944), (40, 2027326), (49, 1654960), (56, 1448090), (70, 1158472), (80, 1013663), (98, 827480), (112, 724045), (137, 591920), (140, 579236), (151, 537040), (196, 413740), (245, 330992), (274, 295960), (280, 289618), (302, 268520), (392, 206870), (490, 165496), (548, 147980), (560, 144809), (604, 134260), (685, 118384), (755, 107408), (784, 103435), (959, 84560), (980, 82748), (1057, 76720), (1096, 73990), (1208, 67130), (1370, 59192), (1510, 53704), (1918, 42280), (1960, 41374), (2114, 38360), (2192, 36995), (2416, 33565), (2740, 29596), (3020, 26852), (3836, 21140), (3920, 20687), (4228, 19180), (4795, 16912), (5285, 15344), (5480, 14798), (6040, 13426), (6713, 12080), (7399, 10960), (7672, 10570), (8456, 9590)]