1338762880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 256

約数和(自身を含む): 3992002560

約数和(自身を除く): 2653239680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 128, 130, 140, 160, 181, 182, 208, 224, 254, 260, 280, 320, 362, 364, 416, 448, 455, 508, 520, 560, 635, 640, 724, 728, 832, 889, 896, 905, 910, 1016, 1040, 1120, 1267, 1270, 1448, 1456, 1651, 1664, 1778, 1810, 1820, 2032, 2080, 2240, 2353, 2534, 2540, 2896, 2912, 3302, 3556, 3620, 3640, 4064, 4160, 4445, 4480, 4706, 5068, 5080, 5792, 5824, 6335, 6604, 7112, 7240, 7280, 8128, 8255, 8320, 8890, 9412, 10136, 10160, 11557, 11584, 11648, 11765, 12670, 13208, 14224, 14480, 14560, 16256, 16471, 16510, 17780, 18824, 20272, 20320, 22987, 23114, 23168, 23530, 25340, 26416, 28448, 28960, 29120, 32942, 33020, 35560, 37648, 40544, 40640, 45974, 46228, 47060, 50680, 52832, 56896, 57785, 57920, 58240, 65884, 66040, 71120, 75296, 81088, 81280, 82355, 91948, 92456, 94120, 101360, 105664, 113792, 114935, 115570, 115840, 131768, 132080, 142240, 150592, 160909, 162176, 164710, 183896, 184912, 188240, 202720, 211328, 229870, 231140, 263536, 264160, 284480, 298831, 301184, 321818, 329420, 367792, 369824, 376480, 405440, 459740, 462280, 527072, 528320, 568960, 597662, 643636, 658840, 735584, 739648, 752960, 804545, 810880, 919480, 924560, 1054144, 1056640, 1195324, 1287272, 1317680, 1471168, 1479296, 1494155, 1505920, 1609090, 1838960, 1849120, 2091817, 2108288, 2390648, 2574544, 2635360, 2942336, 2988310, 3218180, 3677920, 3698240, 4183634, 4781296, 5149088, 5270720, 5976620, 6436360, 7355840, 7396480, 8367268, 9562592, 10298176, 10459085, 10541440, 11953240, 12872720, 14711680, 16734536, 19125184, 20596352, 20918170, 23906480, 25745440, 33469072, 38250368, 41836340, 47812960, 51490880, 66938144, 83672680, 95625920, 102981760, 133876288, 167345360, 191251840, 267752576, 334690720, 669381440, 1338762880]

約数ペア:

[(1, 1338762880), (2, 669381440), (4, 334690720), (5, 267752576), (7, 191251840), (8, 167345360), (10, 133876288), (13, 102981760), (14, 95625920), (16, 83672680), (20, 66938144), (26, 51490880), (28, 47812960), (32, 41836340), (35, 38250368), (40, 33469072), (52, 25745440), (56, 23906480), (64, 20918170), (65, 20596352), (70, 19125184), (80, 16734536), (91, 14711680), (104, 12872720), (112, 11953240), (127, 10541440), (128, 10459085), (130, 10298176), (140, 9562592), (160, 8367268), (181, 7396480), (182, 7355840), (208, 6436360), (224, 5976620), (254, 5270720), (260, 5149088), (280, 4781296), (320, 4183634), (362, 3698240), (364, 3677920), (416, 3218180), (448, 2988310), (455, 2942336), (508, 2635360), (520, 2574544), (560, 2390648), (635, 2108288), (640, 2091817), (724, 1849120), (728, 1838960), (832, 1609090), (889, 1505920), (896, 1494155), (905, 1479296), (910, 1471168), (1016, 1317680), (1040, 1287272), (1120, 1195324), (1267, 1056640), (1270, 1054144), (1448, 924560), (1456, 919480), (1651, 810880), (1664, 804545), (1778, 752960), (1810, 739648), (1820, 735584), (2032, 658840), (2080, 643636), (2240, 597662), (2353, 568960), (2534, 528320), (2540, 527072), (2896, 462280), (2912, 459740), (3302, 405440), (3556, 376480), (3620, 369824), (3640, 367792), (4064, 329420), (4160, 321818), (4445, 301184), (4480, 298831), (4706, 284480), (5068, 264160), (5080, 263536), (5792, 231140), (5824, 229870), (6335, 211328), (6604, 202720), (7112, 188240), (7240, 184912), (7280, 183896), (8128, 164710), (8255, 162176), (8320, 160909), (8890, 150592), (9412, 142240), (10136, 132080), (10160, 131768), (11557, 115840), (11584, 115570), (11648, 114935), (11765, 113792), (12670, 105664), (13208, 101360), (14224, 94120), (14480, 92456), (14560, 91948), (16256, 82355), (16471, 81280), (16510, 81088), (17780, 75296), (18824, 71120), (20272, 66040), (20320, 65884), (22987, 58240), (23114, 57920), (23168, 57785), (23530, 56896), (25340, 52832), (26416, 50680), (28448, 47060), (28960, 46228), (29120, 45974), (32942, 40640), (33020, 40544), (35560, 37648)]