21648395520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39983}}^1$

素因数の和:40057

約数の個数: 216

約数和(自身を含む): 76496749056

約数和(自身を除く): 54848353536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 128, 141, 144, 160, 180, 188, 192, 235, 240, 256, 282, 288, 320, 360, 376, 384, 423, 470, 480, 564, 576, 640, 705, 720, 752, 768, 846, 940, 960, 1128, 1152, 1280, 1410, 1440, 1504, 1692, 1880, 1920, 2115, 2256, 2304, 2820, 2880, 3008, 3384, 3760, 3840, 4230, 4512, 5640, 5760, 6016, 6768, 7520, 8460, 9024, 11280, 11520, 12032, 13536, 15040, 16920, 18048, 22560, 27072, 30080, 33840, 36096, 39983, 45120, 54144, 60160, 67680, 79966, 90240, 108288, 119949, 135360, 159932, 180480, 199915, 239898, 270720, 319864, 359847, 399830, 479796, 541440, 599745, 639728, 719694, 799660, 959592, 1199490, 1279456, 1439388, 1599320, 1799235, 1879201, 1919184, 2398980, 2558912, 2878776, 3198640, 3598470, 3758402, 3838368, 4797960, 5117824, 5637603, 5757552, 6397280, 7196940, 7516804, 7676736, 9396005, 9595920, 10235648, 11275206, 11515104, 12794560, 14393880, 15033608, 15353472, 16912809, 18792010, 19191840, 22550412, 23030208, 25589120, 28188015, 28787760, 30067216, 30706944, 33825618, 37584020, 38383680, 45100824, 46060416, 51178240, 56376030, 57575520, 60134432, 67651236, 75168040, 76767360, 84564045, 90201648, 92120832, 112752060, 115151040, 120268864, 135302472, 150336080, 153534720, 169128090, 180403296, 225504120, 230302080, 240537728, 270604944, 300672160, 338256180, 360806592, 451008240, 460604160, 481075456, 541209888, 601344320, 676512360, 721613184, 902016480, 1082419776, 1202688640, 1353024720, 1443226368, 1804032960, 2164839552, 2405377280, 2706049440, 3608065920, 4329679104, 5412098880, 7216131840, 10824197760, 21648395520]

約数ペア:

[(1, 21648395520), (2, 10824197760), (3, 7216131840), (4, 5412098880), (5, 4329679104), (6, 3608065920), (8, 2706049440), (9, 2405377280), (10, 2164839552), (12, 1804032960), (15, 1443226368), (16, 1353024720), (18, 1202688640), (20, 1082419776), (24, 902016480), (30, 721613184), (32, 676512360), (36, 601344320), (40, 541209888), (45, 481075456), (47, 460604160), (48, 451008240), (60, 360806592), (64, 338256180), (72, 300672160), (80, 270604944), (90, 240537728), (94, 230302080), (96, 225504120), (120, 180403296), (128, 169128090), (141, 153534720), (144, 150336080), (160, 135302472), (180, 120268864), (188, 115151040), (192, 112752060), (235, 92120832), (240, 90201648), (256, 84564045), (282, 76767360), (288, 75168040), (320, 67651236), (360, 60134432), (376, 57575520), (384, 56376030), (423, 51178240), (470, 46060416), (480, 45100824), (564, 38383680), (576, 37584020), (640, 33825618), (705, 30706944), (720, 30067216), (752, 28787760), (768, 28188015), (846, 25589120), (940, 23030208), (960, 22550412), (1128, 19191840), (1152, 18792010), (1280, 16912809), (1410, 15353472), (1440, 15033608), (1504, 14393880), (1692, 12794560), (1880, 11515104), (1920, 11275206), (2115, 10235648), (2256, 9595920), (2304, 9396005), (2820, 7676736), (2880, 7516804), (3008, 7196940), (3384, 6397280), (3760, 5757552), (3840, 5637603), (4230, 5117824), (4512, 4797960), (5640, 3838368), (5760, 3758402), (6016, 3598470), (6768, 3198640), (7520, 2878776), (8460, 2558912), (9024, 2398980), (11280, 1919184), (11520, 1879201), (12032, 1799235), (13536, 1599320), (15040, 1439388), (16920, 1279456), (18048, 1199490), (22560, 959592), (27072, 799660), (30080, 719694), (33840, 639728), (36096, 599745), (39983, 541440), (45120, 479796), (54144, 399830), (60160, 359847), (67680, 319864), (79966, 270720), (90240, 239898), (108288, 199915), (119949, 180480), (135360, 159932)]