19905209280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6221}}^1$

素因数の和:6356

約数の個数: 336

約数和(自身を含む): 75441401568

約数和(自身を除く): 55536192288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 101, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 202, 220, 240, 264, 288, 303, 320, 330, 352, 360, 396, 404, 440, 480, 495, 505, 528, 576, 606, 660, 704, 720, 792, 808, 880, 909, 960, 990, 1010, 1056, 1111, 1212, 1320, 1440, 1515, 1584, 1616, 1760, 1818, 1980, 2020, 2112, 2222, 2424, 2640, 2880, 3030, 3168, 3232, 3333, 3520, 3636, 3960, 4040, 4444, 4545, 4848, 5280, 5555, 6060, 6221, 6336, 6464, 6666, 7272, 7920, 8080, 8888, 9090, 9696, 9999, 10560, 11110, 12120, 12442, 13332, 14544, 15840, 16160, 16665, 17776, 18180, 18663, 19392, 19998, 22220, 24240, 24884, 26664, 29088, 31105, 31680, 32320, 33330, 35552, 36360, 37326, 39996, 44440, 48480, 49768, 49995, 53328, 55989, 58176, 62210, 66660, 68431, 71104, 72720, 74652, 79992, 88880, 93315, 96960, 99536, 99990, 106656, 111978, 124420, 133320, 136862, 145440, 149304, 159984, 177760, 186630, 199072, 199980, 205293, 213312, 223956, 248840, 266640, 273724, 279945, 290880, 298608, 319968, 342155, 355520, 373260, 398144, 399960, 410586, 447912, 497680, 533280, 547448, 559890, 597216, 615879, 628321, 639936, 684310, 746520, 799920, 821172, 895824, 995360, 1026465, 1066560, 1094896, 1119780, 1194432, 1231758, 1256642, 1368620, 1493040, 1599840, 1642344, 1791648, 1884963, 1990720, 2052930, 2189792, 2239560, 2463516, 2513284, 2737240, 2986080, 3079395, 3141605, 3199680, 3284688, 3583296, 3769926, 4105860, 4379584, 4479120, 4927032, 5026568, 5474480, 5654889, 5972160, 6158790, 6283210, 6569376, 6911531, 7539852, 8211720, 8958240, 9424815, 9854064, 10053136, 10948960, 11309778, 12317580, 12566420, 13138752, 13823062, 15079704, 16423440, 17916480, 18849630, 19708128, 20106272, 20734593, 21897920, 22619556, 24635160, 25132840, 27646124, 28274445, 30159408, 32846880, 34557655, 37699260, 39416256, 40212544, 41469186, 45239112, 49270320, 50265680, 55292248, 56548890, 60318816, 62203779, 65693760, 69115310, 75398520, 82938372, 90478224, 98540640, 100531360, 103672965, 110584496, 113097780, 120637632, 124407558, 138230620, 150797040, 165876744, 180956448, 197081280, 201062720, 207345930, 221168992, 226195560, 248815116, 276461240, 301594080, 311018895, 331753488, 361912896, 414691860, 442337984, 452391120, 497630232, 552922480, 603188160, 622037790, 663506976, 829383720, 904782240, 995260464, 1105844960, 1244075580, 1327013952, 1658767440, 1809564480, 1990520928, 2211689920, 2488151160, 3317534880, 3981041856, 4976302320, 6635069760, 9952604640, 19905209280]

約数ペア:

[(1, 19905209280), (2, 9952604640), (3, 6635069760), (4, 4976302320), (5, 3981041856), (6, 3317534880), (8, 2488151160), (9, 2211689920), (10, 1990520928), (11, 1809564480), (12, 1658767440), (15, 1327013952), (16, 1244075580), (18, 1105844960), (20, 995260464), (22, 904782240), (24, 829383720), (30, 663506976), (32, 622037790), (33, 603188160), (36, 552922480), (40, 497630232), (44, 452391120), (45, 442337984), (48, 414691860), (55, 361912896), (60, 331753488), (64, 311018895), (66, 301594080), (72, 276461240), (80, 248815116), (88, 226195560), (90, 221168992), (96, 207345930), (99, 201062720), (101, 197081280), (110, 180956448), (120, 165876744), (132, 150797040), (144, 138230620), (160, 124407558), (165, 120637632), (176, 113097780), (180, 110584496), (192, 103672965), (198, 100531360), (202, 98540640), (220, 90478224), (240, 82938372), (264, 75398520), (288, 69115310), (303, 65693760), (320, 62203779), (330, 60318816), (352, 56548890), (360, 55292248), (396, 50265680), (404, 49270320), (440, 45239112), (480, 41469186), (495, 40212544), (505, 39416256), (528, 37699260), (576, 34557655), (606, 32846880), (660, 30159408), (704, 28274445), (720, 27646124), (792, 25132840), (808, 24635160), (880, 22619556), (909, 21897920), (960, 20734593), (990, 20106272), (1010, 19708128), (1056, 18849630), (1111, 17916480), (1212, 16423440), (1320, 15079704), (1440, 13823062), (1515, 13138752), (1584, 12566420), (1616, 12317580), (1760, 11309778), (1818, 10948960), (1980, 10053136), (2020, 9854064), (2112, 9424815), (2222, 8958240), (2424, 8211720), (2640, 7539852), (2880, 6911531), (3030, 6569376), (3168, 6283210), (3232, 6158790), (3333, 5972160), (3520, 5654889), (3636, 5474480), (3960, 5026568), (4040, 4927032), (4444, 4479120), (4545, 4379584), (4848, 4105860), (5280, 3769926), (5555, 3583296), (6060, 3284688), (6221, 3199680), (6336, 3141605), (6464, 3079395), (6666, 2986080), (7272, 2737240), (7920, 2513284), (8080, 2463516), (8888, 2239560), (9090, 2189792), (9696, 2052930), (9999, 1990720), (10560, 1884963), (11110, 1791648), (12120, 1642344), (12442, 1599840), (13332, 1493040), (14544, 1368620), (15840, 1256642), (16160, 1231758), (16665, 1194432), (17776, 1119780), (18180, 1094896), (18663, 1066560), (19392, 1026465), (19998, 995360), (22220, 895824), (24240, 821172), (24884, 799920), (26664, 746520), (29088, 684310), (31105, 639936), (31680, 628321), (32320, 615879), (33330, 597216), (35552, 559890), (36360, 547448), (37326, 533280), (39996, 497680), (44440, 447912), (48480, 410586), (49768, 399960), (49995, 398144), (53328, 373260), (55989, 355520), (58176, 342155), (62210, 319968), (66660, 298608), (68431, 290880), (71104, 279945), (72720, 273724), (74652, 266640), (79992, 248840), (88880, 223956), (93315, 213312), (96960, 205293), (99536, 199980), (99990, 199072), (106656, 186630), (111978, 177760), (124420, 159984), (133320, 149304), (136862, 145440)]