84052640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 235799424

約数和(自身を除く): 151746784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 151, 160, 196, 224, 245, 280, 284, 302, 355, 392, 490, 497, 560, 568, 604, 710, 755, 784, 980, 994, 1057, 1120, 1136, 1208, 1420, 1510, 1568, 1960, 1988, 2114, 2272, 2416, 2485, 2840, 3020, 3479, 3920, 3976, 4228, 4832, 4970, 5285, 5680, 6040, 6958, 7399, 7840, 7952, 8456, 9940, 10570, 10721, 11360, 12080, 13916, 14798, 15904, 16912, 17395, 19880, 21140, 21442, 24160, 27832, 29596, 33824, 34790, 36995, 39760, 42280, 42884, 53605, 55664, 59192, 69580, 73990, 75047, 79520, 84560, 85768, 107210, 111328, 118384, 139160, 147980, 150094, 169120, 171536, 214420, 236768, 278320, 295960, 300188, 343072, 375235, 428840, 525329, 556640, 591920, 600376, 750470, 857680, 1050658, 1183840, 1200752, 1500940, 1715360, 2101316, 2401504, 2626645, 3001880, 4202632, 5253290, 6003760, 8405264, 10506580, 12007520, 16810528, 21013160, 42026320, 84052640]

約数ペア:

[(1, 84052640), (2, 42026320), (4, 21013160), (5, 16810528), (7, 12007520), (8, 10506580), (10, 8405264), (14, 6003760), (16, 5253290), (20, 4202632), (28, 3001880), (32, 2626645), (35, 2401504), (40, 2101316), (49, 1715360), (56, 1500940), (70, 1200752), (71, 1183840), (80, 1050658), (98, 857680), (112, 750470), (140, 600376), (142, 591920), (151, 556640), (160, 525329), (196, 428840), (224, 375235), (245, 343072), (280, 300188), (284, 295960), (302, 278320), (355, 236768), (392, 214420), (490, 171536), (497, 169120), (560, 150094), (568, 147980), (604, 139160), (710, 118384), (755, 111328), (784, 107210), (980, 85768), (994, 84560), (1057, 79520), (1120, 75047), (1136, 73990), (1208, 69580), (1420, 59192), (1510, 55664), (1568, 53605), (1960, 42884), (1988, 42280), (2114, 39760), (2272, 36995), (2416, 34790), (2485, 33824), (2840, 29596), (3020, 27832), (3479, 24160), (3920, 21442), (3976, 21140), (4228, 19880), (4832, 17395), (4970, 16912), (5285, 15904), (5680, 14798), (6040, 13916), (6958, 12080), (7399, 11360), (7840, 10721), (7952, 10570), (8456, 9940)]