21388242720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:492

約数の個数: 384

約数和(自身を含む): 74034487296

約数和(自身を除く): 52646244576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 127, 130, 137, 156, 160, 195, 197, 208, 240, 254, 260, 274, 312, 381, 390, 394, 411, 416, 480, 508, 520, 548, 591, 624, 635, 685, 762, 780, 788, 822, 985, 1016, 1040, 1096, 1182, 1248, 1270, 1370, 1524, 1560, 1576, 1644, 1651, 1781, 1905, 1970, 2032, 2055, 2080, 2192, 2364, 2540, 2561, 2740, 2955, 3048, 3120, 3152, 3288, 3302, 3562, 3810, 3940, 4064, 4110, 4384, 4728, 4953, 5080, 5122, 5343, 5480, 5910, 6096, 6240, 6304, 6576, 6604, 7124, 7620, 7683, 7880, 8220, 8255, 8905, 9456, 9906, 10160, 10244, 10686, 10960, 11820, 12192, 12805, 13152, 13208, 14248, 15240, 15366, 15760, 16440, 16510, 17399, 17810, 18912, 19812, 20320, 20488, 21372, 21920, 23640, 24765, 25019, 25610, 26416, 26715, 26989, 28496, 30480, 30732, 31520, 32880, 33020, 34798, 35620, 38415, 39624, 40976, 42744, 47280, 49530, 50038, 51220, 52197, 52832, 53430, 53978, 56992, 60960, 61464, 65760, 66040, 69596, 71240, 75057, 76830, 79248, 80967, 81952, 85488, 86995, 94560, 99060, 100076, 102440, 104394, 106860, 107956, 122928, 125095, 132080, 134945, 139192, 142480, 150114, 153660, 158496, 161934, 170976, 173990, 198120, 200152, 204880, 208788, 213720, 215912, 226187, 245856, 250190, 260985, 264160, 269890, 278384, 284960, 300228, 307320, 323868, 325247, 347980, 350857, 375285, 396240, 400304, 404835, 409760, 417576, 427440, 431824, 452374, 500380, 521970, 539780, 556768, 600456, 614640, 647736, 650494, 678561, 695960, 701714, 750570, 792480, 800608, 809670, 835152, 854880, 863648, 904748, 975741, 1000760, 1043940, 1052571, 1079560, 1130935, 1200912, 1229280, 1295472, 1300988, 1357122, 1391920, 1403428, 1501140, 1619340, 1626235, 1670304, 1754285, 1809496, 1951482, 2001520, 2087880, 2105142, 2159120, 2261870, 2401824, 2590944, 2601976, 2714244, 2783840, 2806856, 3002280, 3238680, 3252470, 3392805, 3427603, 3508570, 3618992, 3902964, 4003040, 4175760, 4210284, 4318240, 4523740, 4878705, 5203952, 5262855, 5428488, 5613712, 6004560, 6477360, 6504940, 6785610, 6855206, 7017140, 7237984, 7805928, 8351520, 8420568, 9047480, 9757410, 10282809, 10407904, 10525710, 10856976, 11227424, 12009120, 12954720, 13009880, 13571220, 13710412, 14034280, 15611856, 16841136, 17138015, 18094960, 19514820, 20565618, 21051420, 21713952, 26019760, 27142440, 27420824, 28068560, 31223712, 33682272, 34276030, 36189920, 39029640, 41131236, 42102840, 44558839, 51414045, 52039520, 54284880, 54841648, 56137120, 68552060, 78059280, 82262472, 84205680, 89117678, 102828090, 108569760, 109683296, 133676517, 137104120, 156118560, 164524944, 168411360, 178235356, 205656180, 222794195, 267353034, 274208240, 329049888, 356470712, 411312360, 445588390, 534706068, 548416480, 668382585, 712941424, 822624720, 891176780, 1069412136, 1336765170, 1425882848, 1645249440, 1782353560, 2138824272, 2673530340, 3564707120, 4277648544, 5347060680, 7129414240, 10694121360, 21388242720]

約数ペア:

[(1, 21388242720), (2, 10694121360), (3, 7129414240), (4, 5347060680), (5, 4277648544), (6, 3564707120), (8, 2673530340), (10, 2138824272), (12, 1782353560), (13, 1645249440), (15, 1425882848), (16, 1336765170), (20, 1069412136), (24, 891176780), (26, 822624720), (30, 712941424), (32, 668382585), (39, 548416480), (40, 534706068), (48, 445588390), (52, 411312360), (60, 356470712), (65, 329049888), (78, 274208240), (80, 267353034), (96, 222794195), (104, 205656180), (120, 178235356), (127, 168411360), (130, 164524944), (137, 156118560), (156, 137104120), (160, 133676517), (195, 109683296), (197, 108569760), (208, 102828090), (240, 89117678), (254, 84205680), (260, 82262472), (274, 78059280), (312, 68552060), (381, 56137120), (390, 54841648), (394, 54284880), (411, 52039520), (416, 51414045), (480, 44558839), (508, 42102840), (520, 41131236), (548, 39029640), (591, 36189920), (624, 34276030), (635, 33682272), (685, 31223712), (762, 28068560), (780, 27420824), (788, 27142440), (822, 26019760), (985, 21713952), (1016, 21051420), (1040, 20565618), (1096, 19514820), (1182, 18094960), (1248, 17138015), (1270, 16841136), (1370, 15611856), (1524, 14034280), (1560, 13710412), (1576, 13571220), (1644, 13009880), (1651, 12954720), (1781, 12009120), (1905, 11227424), (1970, 10856976), (2032, 10525710), (2055, 10407904), (2080, 10282809), (2192, 9757410), (2364, 9047480), (2540, 8420568), (2561, 8351520), (2740, 7805928), (2955, 7237984), (3048, 7017140), (3120, 6855206), (3152, 6785610), (3288, 6504940), (3302, 6477360), (3562, 6004560), (3810, 5613712), (3940, 5428488), (4064, 5262855), (4110, 5203952), (4384, 4878705), (4728, 4523740), (4953, 4318240), (5080, 4210284), (5122, 4175760), (5343, 4003040), (5480, 3902964), (5910, 3618992), (6096, 3508570), (6240, 3427603), (6304, 3392805), (6576, 3252470), (6604, 3238680), (7124, 3002280), (7620, 2806856), (7683, 2783840), (7880, 2714244), (8220, 2601976), (8255, 2590944), (8905, 2401824), (9456, 2261870), (9906, 2159120), (10160, 2105142), (10244, 2087880), (10686, 2001520), (10960, 1951482), (11820, 1809496), (12192, 1754285), (12805, 1670304), (13152, 1626235), (13208, 1619340), (14248, 1501140), (15240, 1403428), (15366, 1391920), (15760, 1357122), (16440, 1300988), (16510, 1295472), (17399, 1229280), (17810, 1200912), (18912, 1130935), (19812, 1079560), (20320, 1052571), (20488, 1043940), (21372, 1000760), (21920, 975741), (23640, 904748), (24765, 863648), (25019, 854880), (25610, 835152), (26416, 809670), (26715, 800608), (26989, 792480), (28496, 750570), (30480, 701714), (30732, 695960), (31520, 678561), (32880, 650494), (33020, 647736), (34798, 614640), (35620, 600456), (38415, 556768), (39624, 539780), (40976, 521970), (42744, 500380), (47280, 452374), (49530, 431824), (50038, 427440), (51220, 417576), (52197, 409760), (52832, 404835), (53430, 400304), (53978, 396240), (56992, 375285), (60960, 350857), (61464, 347980), (65760, 325247), (66040, 323868), (69596, 307320), (71240, 300228), (75057, 284960), (76830, 278384), (79248, 269890), (80967, 264160), (81952, 260985), (85488, 250190), (86995, 245856), (94560, 226187), (99060, 215912), (100076, 213720), (102440, 208788), (104394, 204880), (106860, 200152), (107956, 198120), (122928, 173990), (125095, 170976), (132080, 161934), (134945, 158496), (139192, 153660), (142480, 150114)]