1994261760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:881

約数の個数: 216

約数和(自身を含む): 6934016544

約数和(自身を除く): 4939754784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 331, 360, 384, 480, 523, 576, 640, 662, 720, 768, 960, 993, 1046, 1152, 1280, 1324, 1440, 1569, 1655, 1920, 1986, 2092, 2304, 2615, 2648, 2880, 2979, 3138, 3310, 3840, 3972, 4184, 4707, 4965, 5230, 5296, 5760, 5958, 6276, 6620, 7845, 7944, 8368, 9414, 9930, 10460, 10592, 11520, 11916, 12552, 13240, 14895, 15690, 15888, 16736, 18828, 19860, 20920, 21184, 23535, 23832, 25104, 26480, 29790, 31380, 31776, 33472, 37656, 39720, 41840, 42368, 47070, 47664, 50208, 52960, 59580, 62760, 63552, 66944, 75312, 79440, 83680, 84736, 94140, 95328, 100416, 105920, 119160, 125520, 127104, 133888, 150624, 158880, 167360, 173113, 188280, 190656, 200832, 211840, 238320, 251040, 254208, 301248, 317760, 334720, 346226, 376560, 381312, 401664, 423680, 476640, 502080, 519339, 602496, 635520, 669440, 692452, 753120, 762624, 865565, 953280, 1004160, 1038678, 1204992, 1271040, 1384904, 1506240, 1558017, 1731130, 1906560, 2008320, 2077356, 2596695, 2769808, 3012480, 3116034, 3462260, 3813120, 4154712, 5193390, 5539616, 6024960, 6232068, 6924520, 7790085, 8309424, 10386780, 11079232, 12464136, 13849040, 15580170, 16618848, 20773560, 22158464, 24928272, 27698080, 31160340, 33237696, 41547120, 44316928, 49856544, 55396160, 62320680, 66475392, 83094240, 99713088, 110792320, 124641360, 132950784, 166188480, 199426176, 221584640, 249282720, 332376960, 398852352, 498565440, 664753920, 997130880, 1994261760]

約数ペア:

[(1, 1994261760), (2, 997130880), (3, 664753920), (4, 498565440), (5, 398852352), (6, 332376960), (8, 249282720), (9, 221584640), (10, 199426176), (12, 166188480), (15, 132950784), (16, 124641360), (18, 110792320), (20, 99713088), (24, 83094240), (30, 66475392), (32, 62320680), (36, 55396160), (40, 49856544), (45, 44316928), (48, 41547120), (60, 33237696), (64, 31160340), (72, 27698080), (80, 24928272), (90, 22158464), (96, 20773560), (120, 16618848), (128, 15580170), (144, 13849040), (160, 12464136), (180, 11079232), (192, 10386780), (240, 8309424), (256, 7790085), (288, 6924520), (320, 6232068), (331, 6024960), (360, 5539616), (384, 5193390), (480, 4154712), (523, 3813120), (576, 3462260), (640, 3116034), (662, 3012480), (720, 2769808), (768, 2596695), (960, 2077356), (993, 2008320), (1046, 1906560), (1152, 1731130), (1280, 1558017), (1324, 1506240), (1440, 1384904), (1569, 1271040), (1655, 1204992), (1920, 1038678), (1986, 1004160), (2092, 953280), (2304, 865565), (2615, 762624), (2648, 753120), (2880, 692452), (2979, 669440), (3138, 635520), (3310, 602496), (3840, 519339), (3972, 502080), (4184, 476640), (4707, 423680), (4965, 401664), (5230, 381312), (5296, 376560), (5760, 346226), (5958, 334720), (6276, 317760), (6620, 301248), (7845, 254208), (7944, 251040), (8368, 238320), (9414, 211840), (9930, 200832), (10460, 190656), (10592, 188280), (11520, 173113), (11916, 167360), (12552, 158880), (13240, 150624), (14895, 133888), (15690, 127104), (15888, 125520), (16736, 119160), (18828, 105920), (19860, 100416), (20920, 95328), (21184, 94140), (23535, 84736), (23832, 83680), (25104, 79440), (26480, 75312), (29790, 66944), (31380, 63552), (31776, 62760), (33472, 59580), (37656, 52960), (39720, 50208), (41840, 47664), (42368, 47070)]