2018992920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 256

約数和(自身を含む): 7112448000

約数和(自身を除く): 5093455080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 97, 105, 120, 140, 142, 168, 194, 210, 213, 280, 284, 291, 349, 355, 388, 420, 426, 485, 497, 568, 582, 679, 698, 710, 776, 840, 852, 970, 994, 1047, 1065, 1164, 1358, 1396, 1420, 1455, 1491, 1704, 1745, 1940, 1988, 2037, 2094, 2130, 2328, 2443, 2485, 2716, 2792, 2840, 2910, 2982, 3395, 3490, 3880, 3976, 4074, 4188, 4260, 4886, 4970, 5235, 5432, 5820, 5964, 6790, 6887, 6980, 7329, 7455, 8148, 8376, 8520, 9772, 9940, 10185, 10470, 11640, 11928, 12215, 13580, 13774, 13960, 14658, 14910, 16296, 19544, 19880, 20370, 20661, 20940, 24430, 24779, 27160, 27548, 29316, 29820, 33853, 34435, 36645, 40740, 41322, 41880, 48209, 48860, 49558, 55096, 58632, 59640, 67706, 68870, 73290, 74337, 81480, 82644, 96418, 97720, 99116, 101559, 103305, 123895, 135412, 137740, 144627, 146580, 148674, 165288, 169265, 173453, 192836, 198232, 203118, 206610, 236971, 241045, 247790, 270824, 275480, 289254, 293160, 297348, 338530, 346906, 371685, 385672, 406236, 413220, 473942, 482090, 495580, 507795, 520359, 578508, 594696, 677060, 693812, 710913, 723135, 743370, 812472, 826440, 867265, 947884, 964180, 991160, 1015590, 1040718, 1157016, 1184855, 1354120, 1387624, 1421826, 1446270, 1486740, 1734530, 1895768, 1928360, 2031180, 2081436, 2369710, 2403563, 2601795, 2843652, 2892540, 2973480, 3469060, 3554565, 4062360, 4162872, 4739420, 4807126, 5203590, 5687304, 5785080, 6938120, 7109130, 7210689, 9478840, 9614252, 10407180, 12017815, 14218260, 14421378, 16824941, 19228504, 20814360, 24035630, 28436520, 28842756, 33649882, 36053445, 48071260, 50474823, 57685512, 67299764, 72106890, 84124705, 96142520, 100949646, 134599528, 144213780, 168249410, 201899292, 252374115, 288427560, 336498820, 403798584, 504748230, 672997640, 1009496460, 2018992920]

約数ペア:

[(1, 2018992920), (2, 1009496460), (3, 672997640), (4, 504748230), (5, 403798584), (6, 336498820), (7, 288427560), (8, 252374115), (10, 201899292), (12, 168249410), (14, 144213780), (15, 134599528), (20, 100949646), (21, 96142520), (24, 84124705), (28, 72106890), (30, 67299764), (35, 57685512), (40, 50474823), (42, 48071260), (56, 36053445), (60, 33649882), (70, 28842756), (71, 28436520), (84, 24035630), (97, 20814360), (105, 19228504), (120, 16824941), (140, 14421378), (142, 14218260), (168, 12017815), (194, 10407180), (210, 9614252), (213, 9478840), (280, 7210689), (284, 7109130), (291, 6938120), (349, 5785080), (355, 5687304), (388, 5203590), (420, 4807126), (426, 4739420), (485, 4162872), (497, 4062360), (568, 3554565), (582, 3469060), (679, 2973480), (698, 2892540), (710, 2843652), (776, 2601795), (840, 2403563), (852, 2369710), (970, 2081436), (994, 2031180), (1047, 1928360), (1065, 1895768), (1164, 1734530), (1358, 1486740), (1396, 1446270), (1420, 1421826), (1455, 1387624), (1491, 1354120), (1704, 1184855), (1745, 1157016), (1940, 1040718), (1988, 1015590), (2037, 991160), (2094, 964180), (2130, 947884), (2328, 867265), (2443, 826440), (2485, 812472), (2716, 743370), (2792, 723135), (2840, 710913), (2910, 693812), (2982, 677060), (3395, 594696), (3490, 578508), (3880, 520359), (3976, 507795), (4074, 495580), (4188, 482090), (4260, 473942), (4886, 413220), (4970, 406236), (5235, 385672), (5432, 371685), (5820, 346906), (5964, 338530), (6790, 297348), (6887, 293160), (6980, 289254), (7329, 275480), (7455, 270824), (8148, 247790), (8376, 241045), (8520, 236971), (9772, 206610), (9940, 203118), (10185, 198232), (10470, 192836), (11640, 173453), (11928, 169265), (12215, 165288), (13580, 148674), (13774, 146580), (13960, 144627), (14658, 137740), (14910, 135412), (16296, 123895), (19544, 103305), (19880, 101559), (20370, 99116), (20661, 97720), (20940, 96418), (24430, 82644), (24779, 81480), (27160, 74337), (27548, 73290), (29316, 68870), (29820, 67706), (33853, 59640), (34435, 58632), (36645, 55096), (40740, 49558), (41322, 48860), (41880, 48209)]