1981873152

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 264

約数和(自身を含む): 6757916672

約数和(自身を除く): 4776043520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 512, 558, 576, 651, 672, 744, 768, 868, 896, 991, 992, 1008, 1024, 1116, 1152, 1302, 1344, 1488, 1536, 1736, 1792, 1953, 1982, 1984, 2016, 2232, 2304, 2604, 2688, 2973, 2976, 3072, 3472, 3584, 3906, 3964, 3968, 4032, 4464, 4608, 5208, 5376, 5946, 5952, 6937, 6944, 7168, 7812, 7928, 7936, 8064, 8919, 8928, 9216, 10416, 10752, 11892, 11904, 13874, 13888, 15624, 15856, 15872, 16128, 17838, 17856, 20811, 20832, 21504, 23784, 23808, 27748, 27776, 30721, 31248, 31712, 31744, 32256, 35676, 35712, 41622, 41664, 47568, 47616, 55496, 55552, 61442, 62433, 62496, 63424, 64512, 71352, 71424, 83244, 83328, 92163, 95136, 95232, 110992, 111104, 122884, 124866, 124992, 126848, 142704, 142848, 166488, 166656, 184326, 190272, 215047, 221984, 222208, 245768, 249732, 249984, 253696, 276489, 285408, 285696, 332976, 333312, 368652, 380544, 430094, 443968, 491536, 499464, 499968, 507392, 552978, 570816, 645141, 665952, 666624, 737304, 761088, 860188, 887936, 983072, 998928, 999936, 1014784, 1105956, 1141632, 1290282, 1331904, 1474608, 1522176, 1720376, 1775872, 1935423, 1966144, 1997856, 1999872, 2211912, 2283264, 2580564, 2663808, 2949216, 3044352, 3440752, 3551744, 3870846, 3932288, 3995712, 4423824, 4566528, 5161128, 5327616, 5898432, 6881504, 7103488, 7741692, 7864576, 7991424, 8847648, 9133056, 10322256, 10655232, 11796864, 13763008, 15483384, 15729152, 15982848, 17695296, 20644512, 21310464, 23593728, 27526016, 30966768, 31458304, 31965696, 35390592, 41289024, 47187456, 55052032, 61933536, 63931392, 70781184, 82578048, 94374912, 110104064, 123867072, 141562368, 165156096, 220208128, 247734144, 283124736, 330312192, 495468288, 660624384, 990936576, 1981873152]

約数ペア:

[(1, 1981873152), (2, 990936576), (3, 660624384), (4, 495468288), (6, 330312192), (7, 283124736), (8, 247734144), (9, 220208128), (12, 165156096), (14, 141562368), (16, 123867072), (18, 110104064), (21, 94374912), (24, 82578048), (28, 70781184), (31, 63931392), (32, 61933536), (36, 55052032), (42, 47187456), (48, 41289024), (56, 35390592), (62, 31965696), (63, 31458304), (64, 30966768), (72, 27526016), (84, 23593728), (93, 21310464), (96, 20644512), (112, 17695296), (124, 15982848), (126, 15729152), (128, 15483384), (144, 13763008), (168, 11796864), (186, 10655232), (192, 10322256), (217, 9133056), (224, 8847648), (248, 7991424), (252, 7864576), (256, 7741692), (279, 7103488), (288, 6881504), (336, 5898432), (372, 5327616), (384, 5161128), (434, 4566528), (448, 4423824), (496, 3995712), (504, 3932288), (512, 3870846), (558, 3551744), (576, 3440752), (651, 3044352), (672, 2949216), (744, 2663808), (768, 2580564), (868, 2283264), (896, 2211912), (991, 1999872), (992, 1997856), (1008, 1966144), (1024, 1935423), (1116, 1775872), (1152, 1720376), (1302, 1522176), (1344, 1474608), (1488, 1331904), (1536, 1290282), (1736, 1141632), (1792, 1105956), (1953, 1014784), (1982, 999936), (1984, 998928), (2016, 983072), (2232, 887936), (2304, 860188), (2604, 761088), (2688, 737304), (2973, 666624), (2976, 665952), (3072, 645141), (3472, 570816), (3584, 552978), (3906, 507392), (3964, 499968), (3968, 499464), (4032, 491536), (4464, 443968), (4608, 430094), (5208, 380544), (5376, 368652), (5946, 333312), (5952, 332976), (6937, 285696), (6944, 285408), (7168, 276489), (7812, 253696), (7928, 249984), (7936, 249732), (8064, 245768), (8919, 222208), (8928, 221984), (9216, 215047), (10416, 190272), (10752, 184326), (11892, 166656), (11904, 166488), (13874, 142848), (13888, 142704), (15624, 126848), (15856, 124992), (15872, 124866), (16128, 122884), (17838, 111104), (17856, 110992), (20811, 95232), (20832, 95136), (21504, 92163), (23784, 83328), (23808, 83244), (27748, 71424), (27776, 71352), (30721, 64512), (31248, 63424), (31712, 62496), (31744, 62433), (32256, 61442), (35676, 55552), (35712, 55496), (41622, 47616), (41664, 47568)]