20979025920

素因数分解:

$2^{11}\times 3^5\times 5^1\times {\mathrm{8431}}^1$

素因数の和:8473

約数の個数: 288

約数和(自身を含む): 75411423360

約数和(自身を除く): 54432397440

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1024, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2048, 2160, 2304, 2430, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5120, 5184, 5760, 6144, 6480, 6912, 7680, 7776, 8431, 8640, 9216, 9720, 10240, 10368, 11520, 12960, 13824, 15360, 15552, 16862, 17280, 18432, 19440, 20736, 23040, 25293, 25920, 27648, 30720, 31104, 33724, 34560, 38880, 41472, 42155, 46080, 50586, 51840, 55296, 62208, 67448, 69120, 75879, 77760, 82944, 84310, 92160, 101172, 103680, 124416, 126465, 134896, 138240, 151758, 155520, 165888, 168620, 202344, 207360, 227637, 248832, 252930, 269792, 276480, 303516, 311040, 337240, 379395, 404688, 414720, 455274, 497664, 505860, 539584, 607032, 622080, 674480, 682911, 758790, 809376, 829440, 910548, 1011720, 1079168, 1138185, 1214064, 1244160, 1348960, 1365822, 1517580, 1618752, 1821096, 2023440, 2048733, 2158336, 2276370, 2428128, 2488320, 2697920, 2731644, 3035160, 3237504, 3414555, 3642192, 4046880, 4097466, 4316672, 4552740, 4856256, 5395840, 5463288, 6070320, 6475008, 6829110, 7284384, 8093760, 8194932, 8633344, 9105480, 9712512, 10243665, 10791680, 10926576, 12140640, 12950016, 13658220, 14568768, 16187520, 16389864, 17266688, 18210960, 19425024, 20487330, 21583360, 21853152, 24281280, 25900032, 27316440, 29137536, 32375040, 32779728, 36421920, 38850048, 40974660, 43166720, 43706304, 48562560, 51800064, 54632880, 58275072, 64750080, 65559456, 72843840, 77700096, 81949320, 86333440, 87412608, 97125120, 109265760, 116550144, 129500160, 131118912, 145687680, 155400192, 163898640, 174825216, 194250240, 218531520, 233100288, 259000320, 262237824, 291375360, 327797280, 349650432, 388500480, 437063040, 466200576, 524475648, 582750720, 655594560, 699300864, 777000960, 874126080, 1048951296, 1165501440, 1311189120, 1398601728, 1748252160, 2097902592, 2331002880, 2622378240, 3496504320, 4195805184, 5244756480, 6993008640, 10489512960, 20979025920]

約数ペア:

[(1, 20979025920), (2, 10489512960), (3, 6993008640), (4, 5244756480), (5, 4195805184), (6, 3496504320), (8, 2622378240), (9, 2331002880), (10, 2097902592), (12, 1748252160), (15, 1398601728), (16, 1311189120), (18, 1165501440), (20, 1048951296), (24, 874126080), (27, 777000960), (30, 699300864), (32, 655594560), (36, 582750720), (40, 524475648), (45, 466200576), (48, 437063040), (54, 388500480), (60, 349650432), (64, 327797280), (72, 291375360), (80, 262237824), (81, 259000320), (90, 233100288), (96, 218531520), (108, 194250240), (120, 174825216), (128, 163898640), (135, 155400192), (144, 145687680), (160, 131118912), (162, 129500160), (180, 116550144), (192, 109265760), (216, 97125120), (240, 87412608), (243, 86333440), (256, 81949320), (270, 77700096), (288, 72843840), (320, 65559456), (324, 64750080), (360, 58275072), (384, 54632880), (405, 51800064), (432, 48562560), (480, 43706304), (486, 43166720), (512, 40974660), (540, 38850048), (576, 36421920), (640, 32779728), (648, 32375040), (720, 29137536), (768, 27316440), (810, 25900032), (864, 24281280), (960, 21853152), (972, 21583360), (1024, 20487330), (1080, 19425024), (1152, 18210960), (1215, 17266688), (1280, 16389864), (1296, 16187520), (1440, 14568768), (1536, 13658220), (1620, 12950016), (1728, 12140640), (1920, 10926576), (1944, 10791680), (2048, 10243665), (2160, 9712512), (2304, 9105480), (2430, 8633344), (2560, 8194932), (2592, 8093760), (2880, 7284384), (3072, 6829110), (3240, 6475008), (3456, 6070320), (3840, 5463288), (3888, 5395840), (4320, 4856256), (4608, 4552740), (4860, 4316672), (5120, 4097466), (5184, 4046880), (5760, 3642192), (6144, 3414555), (6480, 3237504), (6912, 3035160), (7680, 2731644), (7776, 2697920), (8431, 2488320), (8640, 2428128), (9216, 2276370), (9720, 2158336), (10240, 2048733), (10368, 2023440), (11520, 1821096), (12960, 1618752), (13824, 1517580), (15360, 1365822), (15552, 1348960), (16862, 1244160), (17280, 1214064), (18432, 1138185), (19440, 1079168), (20736, 1011720), (23040, 910548), (25293, 829440), (25920, 809376), (27648, 758790), (30720, 682911), (31104, 674480), (33724, 622080), (34560, 607032), (38880, 539584), (41472, 505860), (42155, 497664), (46080, 455274), (50586, 414720), (51840, 404688), (55296, 379395), (62208, 337240), (67448, 311040), (69120, 303516), (75879, 276480), (77760, 269792), (82944, 252930), (84310, 248832), (92160, 227637), (101172, 207360), (103680, 202344), (124416, 168620), (126465, 165888), (134896, 155520), (138240, 151758)]