15765617920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2429

約数の個数: 216

約数和(自身を含む): 42228974592

約数和(自身を除く): 26463356672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 169, 208, 248, 256, 260, 310, 320, 338, 403, 416, 496, 520, 620, 640, 676, 806, 832, 845, 992, 1040, 1240, 1280, 1352, 1612, 1664, 1690, 1984, 2015, 2080, 2351, 2480, 2704, 3224, 3328, 3380, 3968, 4030, 4160, 4702, 4960, 5239, 5408, 6448, 6760, 7936, 8060, 8320, 9404, 9920, 10478, 10816, 11755, 12896, 13520, 16120, 16640, 18808, 19840, 20956, 21632, 23510, 25792, 26195, 27040, 30563, 32240, 37616, 39680, 41912, 43264, 47020, 51584, 52390, 54080, 61126, 64480, 72881, 75232, 83824, 94040, 103168, 104780, 108160, 122252, 128960, 145762, 150464, 152815, 167648, 188080, 209560, 216320, 244504, 257920, 291524, 300928, 305630, 335296, 364405, 376160, 397319, 419120, 489008, 515840, 583048, 601856, 611260, 670592, 728810, 752320, 794638, 838240, 947453, 978016, 1166096, 1222520, 1341184, 1457620, 1504640, 1589276, 1676480, 1894906, 1956032, 1986595, 2332192, 2445040, 2915240, 3009280, 3178552, 3352960, 3789812, 3912064, 3973190, 4664384, 4737265, 4890080, 5830480, 6357104, 6705920, 7579624, 7824128, 7946380, 9328768, 9474530, 9780160, 11660960, 12316889, 12714208, 15159248, 15892760, 18657536, 18949060, 19560320, 23321920, 24633778, 25428416, 30318496, 31785520, 37898120, 39120640, 46643840, 49267556, 50856832, 60636992, 61584445, 63571040, 75796240, 93287680, 98535112, 101713664, 121273984, 123168890, 127142080, 151592480, 197070224, 242547968, 246337780, 254284160, 303184960, 394140448, 492675560, 508568320, 606369920, 788280896, 985351120, 1212739840, 1576561792, 1970702240, 3153123584, 3941404480, 7882808960, 15765617920]

約数ペア:

[(1, 15765617920), (2, 7882808960), (4, 3941404480), (5, 3153123584), (8, 1970702240), (10, 1576561792), (13, 1212739840), (16, 985351120), (20, 788280896), (26, 606369920), (31, 508568320), (32, 492675560), (40, 394140448), (52, 303184960), (62, 254284160), (64, 246337780), (65, 242547968), (80, 197070224), (104, 151592480), (124, 127142080), (128, 123168890), (130, 121273984), (155, 101713664), (160, 98535112), (169, 93287680), (208, 75796240), (248, 63571040), (256, 61584445), (260, 60636992), (310, 50856832), (320, 49267556), (338, 46643840), (403, 39120640), (416, 37898120), (496, 31785520), (520, 30318496), (620, 25428416), (640, 24633778), (676, 23321920), (806, 19560320), (832, 18949060), (845, 18657536), (992, 15892760), (1040, 15159248), (1240, 12714208), (1280, 12316889), (1352, 11660960), (1612, 9780160), (1664, 9474530), (1690, 9328768), (1984, 7946380), (2015, 7824128), (2080, 7579624), (2351, 6705920), (2480, 6357104), (2704, 5830480), (3224, 4890080), (3328, 4737265), (3380, 4664384), (3968, 3973190), (4030, 3912064), (4160, 3789812), (4702, 3352960), (4960, 3178552), (5239, 3009280), (5408, 2915240), (6448, 2445040), (6760, 2332192), (7936, 1986595), (8060, 1956032), (8320, 1894906), (9404, 1676480), (9920, 1589276), (10478, 1504640), (10816, 1457620), (11755, 1341184), (12896, 1222520), (13520, 1166096), (16120, 978016), (16640, 947453), (18808, 838240), (19840, 794638), (20956, 752320), (21632, 728810), (23510, 670592), (25792, 611260), (26195, 601856), (27040, 583048), (30563, 515840), (32240, 489008), (37616, 419120), (39680, 397319), (41912, 376160), (43264, 364405), (47020, 335296), (51584, 305630), (52390, 300928), (54080, 291524), (61126, 257920), (64480, 244504), (72881, 216320), (75232, 209560), (83824, 188080), (94040, 167648), (103168, 152815), (104780, 150464), (108160, 145762), (122252, 128960)]