20918545920

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2383}}^1$

素因数の和:2542

約数の個数: 320

約数和(自身を含む): 74920919040

約数和(自身を除く): 54002373120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 127, 128, 135, 144, 160, 180, 192, 216, 240, 254, 256, 270, 288, 320, 360, 381, 384, 432, 480, 508, 512, 540, 576, 635, 640, 720, 762, 768, 864, 960, 1016, 1080, 1143, 1152, 1270, 1280, 1440, 1524, 1536, 1728, 1905, 1920, 2032, 2160, 2286, 2304, 2383, 2540, 2560, 2880, 3048, 3429, 3456, 3810, 3840, 4064, 4320, 4572, 4608, 4766, 5080, 5715, 5760, 6096, 6858, 6912, 7149, 7620, 7680, 8128, 8640, 9144, 9532, 10160, 11430, 11520, 11915, 12192, 13716, 13824, 14298, 15240, 16256, 17145, 17280, 18288, 19064, 20320, 21447, 22860, 23040, 23830, 24384, 27432, 28596, 30480, 32512, 34290, 34560, 35745, 36576, 38128, 40640, 42894, 45720, 47660, 48768, 54864, 57192, 60960, 64341, 65024, 68580, 69120, 71490, 73152, 76256, 81280, 85788, 91440, 95320, 97536, 107235, 109728, 114384, 121920, 128682, 137160, 142980, 146304, 152512, 162560, 171576, 182880, 190640, 195072, 214470, 219456, 228768, 243840, 257364, 274320, 285960, 292608, 302641, 305024, 321705, 325120, 343152, 365760, 381280, 428940, 438912, 457536, 487680, 514728, 548640, 571920, 585216, 605282, 610048, 643410, 686304, 731520, 762560, 857880, 877824, 907923, 915072, 975360, 1029456, 1097280, 1143840, 1210564, 1220096, 1286820, 1372608, 1463040, 1513205, 1525120, 1715760, 1755648, 1815846, 1830144, 2058912, 2194560, 2287680, 2421128, 2573640, 2723769, 2745216, 2926080, 3026410, 3050240, 3431520, 3631692, 3660288, 4117824, 4389120, 4539615, 4575360, 4842256, 5147280, 5447538, 5490432, 6052820, 6100480, 6863040, 7263384, 8171307, 8235648, 8778240, 9079230, 9150720, 9684512, 10294560, 10895076, 10980864, 12105640, 13618845, 13726080, 14526768, 16342614, 16471296, 18158460, 18301440, 19369024, 20589120, 21790152, 24211280, 27237690, 27452160, 29053536, 32685228, 32942592, 36316920, 38738048, 40856535, 41178240, 43580304, 48422560, 54475380, 54904320, 58107072, 65370456, 72633840, 77476096, 81713070, 82356480, 87160608, 96845120, 108950760, 116214144, 130740912, 145267680, 154952192, 163426140, 164712960, 174321216, 193690240, 217901520, 232428288, 261481824, 290535360, 326852280, 348642432, 387380480, 435803040, 464856576, 522963648, 581070720, 653704560, 697284864, 774760960, 871606080, 1045927296, 1162141440, 1307409120, 1394569728, 1743212160, 2091854592, 2324282880, 2614818240, 3486424320, 4183709184, 5229636480, 6972848640, 10459272960, 20918545920]

約数ペア:

[(1, 20918545920), (2, 10459272960), (3, 6972848640), (4, 5229636480), (5, 4183709184), (6, 3486424320), (8, 2614818240), (9, 2324282880), (10, 2091854592), (12, 1743212160), (15, 1394569728), (16, 1307409120), (18, 1162141440), (20, 1045927296), (24, 871606080), (27, 774760960), (30, 697284864), (32, 653704560), (36, 581070720), (40, 522963648), (45, 464856576), (48, 435803040), (54, 387380480), (60, 348642432), (64, 326852280), (72, 290535360), (80, 261481824), (90, 232428288), (96, 217901520), (108, 193690240), (120, 174321216), (127, 164712960), (128, 163426140), (135, 154952192), (144, 145267680), (160, 130740912), (180, 116214144), (192, 108950760), (216, 96845120), (240, 87160608), (254, 82356480), (256, 81713070), (270, 77476096), (288, 72633840), (320, 65370456), (360, 58107072), (381, 54904320), (384, 54475380), (432, 48422560), (480, 43580304), (508, 41178240), (512, 40856535), (540, 38738048), (576, 36316920), (635, 32942592), (640, 32685228), (720, 29053536), (762, 27452160), (768, 27237690), (864, 24211280), (960, 21790152), (1016, 20589120), (1080, 19369024), (1143, 18301440), (1152, 18158460), (1270, 16471296), (1280, 16342614), (1440, 14526768), (1524, 13726080), (1536, 13618845), (1728, 12105640), (1905, 10980864), (1920, 10895076), (2032, 10294560), (2160, 9684512), (2286, 9150720), (2304, 9079230), (2383, 8778240), (2540, 8235648), (2560, 8171307), (2880, 7263384), (3048, 6863040), (3429, 6100480), (3456, 6052820), (3810, 5490432), (3840, 5447538), (4064, 5147280), (4320, 4842256), (4572, 4575360), (4608, 4539615), (4766, 4389120), (5080, 4117824), (5715, 3660288), (5760, 3631692), (6096, 3431520), (6858, 3050240), (6912, 3026410), (7149, 2926080), (7620, 2745216), (7680, 2723769), (8128, 2573640), (8640, 2421128), (9144, 2287680), (9532, 2194560), (10160, 2058912), (11430, 1830144), (11520, 1815846), (11915, 1755648), (12192, 1715760), (13716, 1525120), (13824, 1513205), (14298, 1463040), (15240, 1372608), (16256, 1286820), (17145, 1220096), (17280, 1210564), (18288, 1143840), (19064, 1097280), (20320, 1029456), (21447, 975360), (22860, 915072), (23040, 907923), (23830, 877824), (24384, 857880), (27432, 762560), (28596, 731520), (30480, 686304), (32512, 643410), (34290, 610048), (34560, 605282), (35745, 585216), (36576, 571920), (38128, 548640), (40640, 514728), (42894, 487680), (45720, 457536), (47660, 438912), (48768, 428940), (54864, 381280), (57192, 365760), (60960, 343152), (64341, 325120), (65024, 321705), (68580, 305024), (69120, 302641), (71490, 292608), (73152, 285960), (76256, 274320), (81280, 257364), (85788, 243840), (91440, 228768), (95320, 219456), (97536, 214470), (107235, 195072), (109728, 190640), (114384, 182880), (121920, 171576), (128682, 162560), (137160, 152512), (142980, 146304)]