18901599840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{26953}}^1$

素因数の和:27461

約数の個数: 144

約数和(自身を含む): 64636554528

約数和(自身を除く): 45734954688

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 487, 720, 974, 1440, 1461, 1948, 2435, 2922, 3896, 4383, 4870, 5844, 7305, 7792, 8766, 9740, 11688, 14610, 15584, 17532, 19480, 21915, 23376, 26953, 29220, 35064, 38960, 43830, 46752, 53906, 58440, 70128, 77920, 80859, 87660, 107812, 116880, 134765, 140256, 161718, 175320, 215624, 233760, 242577, 269530, 323436, 350640, 404295, 431248, 485154, 539060, 646872, 701280, 808590, 862496, 970308, 1078120, 1212885, 1293744, 1617180, 1940616, 2156240, 2425770, 2587488, 3234360, 3881232, 4312480, 4851540, 6468720, 7762464, 9703080, 12937440, 13126111, 19406160, 26252222, 38812320, 39378333, 52504444, 65630555, 78756666, 105008888, 118134999, 131261110, 157513332, 196891665, 210017776, 236269998, 262522220, 315026664, 393783330, 420035552, 472539996, 525044440, 590674995, 630053328, 787566660, 945079992, 1050088880, 1181349990, 1260106656, 1575133320, 1890159984, 2100177760, 2362699980, 3150266640, 3780319968, 4725399960, 6300533280, 9450799920, 18901599840]

約数ペア:

[(1, 18901599840), (2, 9450799920), (3, 6300533280), (4, 4725399960), (5, 3780319968), (6, 3150266640), (8, 2362699980), (9, 2100177760), (10, 1890159984), (12, 1575133320), (15, 1260106656), (16, 1181349990), (18, 1050088880), (20, 945079992), (24, 787566660), (30, 630053328), (32, 590674995), (36, 525044440), (40, 472539996), (45, 420035552), (48, 393783330), (60, 315026664), (72, 262522220), (80, 236269998), (90, 210017776), (96, 196891665), (120, 157513332), (144, 131261110), (160, 118134999), (180, 105008888), (240, 78756666), (288, 65630555), (360, 52504444), (480, 39378333), (487, 38812320), (720, 26252222), (974, 19406160), (1440, 13126111), (1461, 12937440), (1948, 9703080), (2435, 7762464), (2922, 6468720), (3896, 4851540), (4383, 4312480), (4870, 3881232), (5844, 3234360), (7305, 2587488), (7792, 2425770), (8766, 2156240), (9740, 1940616), (11688, 1617180), (14610, 1293744), (15584, 1212885), (17532, 1078120), (19480, 970308), (21915, 862496), (23376, 808590), (26953, 701280), (29220, 646872), (35064, 539060), (38960, 485154), (43830, 431248), (46752, 404295), (53906, 350640), (58440, 323436), (70128, 269530), (77920, 242577), (80859, 233760), (87660, 215624), (107812, 175320), (116880, 161718), (134765, 140256)]