20146788480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115309}}^1$

素因数の和:115351

約数の個数: 256

約数和(自身を含む): 79038086400

約数和(自身を除く): 58891297920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1664, 1680, 1820, 1920, 2080, 2184, 2240, 2496, 2688, 2730, 2912, 3120, 3360, 3640, 4160, 4368, 4480, 4992, 5460, 5824, 6240, 6720, 7280, 8320, 8736, 10920, 11648, 12480, 13440, 14560, 17472, 21840, 24960, 29120, 34944, 43680, 58240, 87360, 115309, 174720, 230618, 345927, 461236, 576545, 691854, 807163, 922472, 1153090, 1383708, 1499017, 1614326, 1729635, 1844944, 2306180, 2421489, 2767416, 2998034, 3228652, 3459270, 3689888, 4035815, 4497051, 4612360, 4842978, 5534832, 5996068, 6457304, 6918540, 7379776, 7495085, 8071630, 8994102, 9224720, 9685956, 10493119, 11069664, 11992136, 12107445, 12914608, 13837080, 14759552, 14990170, 16143260, 17988204, 18449440, 19371912, 20986238, 22139328, 22485255, 23984272, 24214890, 25829216, 27674160, 29980340, 31479357, 32286520, 35976408, 36898880, 38743824, 41972476, 44278656, 44970510, 47968544, 48429780, 51658432, 52465595, 55348320, 59960680, 62958714, 64573040, 71952816, 73797760, 77487648, 83944952, 89941020, 95937088, 96859560, 103316864, 104931190, 110696640, 119921360, 125917428, 129146080, 143905632, 154975296, 157396785, 167889904, 179882040, 191874176, 193719120, 209862380, 221393280, 239842720, 251834856, 258292160, 287811264, 309950592, 314793570, 335779808, 359764080, 387438240, 419724760, 479685440, 503669712, 516584320, 575622528, 629587140, 671559616, 719528160, 774876480, 839449520, 959370880, 1007339424, 1259174280, 1343119232, 1439056320, 1549752960, 1678899040, 2014678848, 2518348560, 2878112640, 3357798080, 4029357696, 5036697120, 6715596160, 10073394240, 20146788480]

約数ペア:

[(1, 20146788480), (2, 10073394240), (3, 6715596160), (4, 5036697120), (5, 4029357696), (6, 3357798080), (7, 2878112640), (8, 2518348560), (10, 2014678848), (12, 1678899040), (13, 1549752960), (14, 1439056320), (15, 1343119232), (16, 1259174280), (20, 1007339424), (21, 959370880), (24, 839449520), (26, 774876480), (28, 719528160), (30, 671559616), (32, 629587140), (35, 575622528), (39, 516584320), (40, 503669712), (42, 479685440), (48, 419724760), (52, 387438240), (56, 359764080), (60, 335779808), (64, 314793570), (65, 309950592), (70, 287811264), (78, 258292160), (80, 251834856), (84, 239842720), (91, 221393280), (96, 209862380), (104, 193719120), (105, 191874176), (112, 179882040), (120, 167889904), (128, 157396785), (130, 154975296), (140, 143905632), (156, 129146080), (160, 125917428), (168, 119921360), (182, 110696640), (192, 104931190), (195, 103316864), (208, 96859560), (210, 95937088), (224, 89941020), (240, 83944952), (260, 77487648), (273, 73797760), (280, 71952816), (312, 64573040), (320, 62958714), (336, 59960680), (364, 55348320), (384, 52465595), (390, 51658432), (416, 48429780), (420, 47968544), (448, 44970510), (455, 44278656), (480, 41972476), (520, 38743824), (546, 36898880), (560, 35976408), (624, 32286520), (640, 31479357), (672, 29980340), (728, 27674160), (780, 25829216), (832, 24214890), (840, 23984272), (896, 22485255), (910, 22139328), (960, 20986238), (1040, 19371912), (1092, 18449440), (1120, 17988204), (1248, 16143260), (1344, 14990170), (1365, 14759552), (1456, 13837080), (1560, 12914608), (1664, 12107445), (1680, 11992136), (1820, 11069664), (1920, 10493119), (2080, 9685956), (2184, 9224720), (2240, 8994102), (2496, 8071630), (2688, 7495085), (2730, 7379776), (2912, 6918540), (3120, 6457304), (3360, 5996068), (3640, 5534832), (4160, 4842978), (4368, 4612360), (4480, 4497051), (4992, 4035815), (5460, 3689888), (5824, 3459270), (6240, 3228652), (6720, 2998034), (7280, 2767416), (8320, 2421489), (8736, 2306180), (10920, 1844944), (11648, 1729635), (12480, 1614326), (13440, 1499017), (14560, 1383708), (17472, 1153090), (21840, 922472), (24960, 807163), (29120, 691854), (34944, 576545), (43680, 461236), (58240, 345927), (87360, 230618), (115309, 174720)]