221338080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{547}}^1$

素因数の和:849

約数の個数: 144

約数和(自身を含む): 759389904

約数和(自身を除く): 538051824

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, 281, 288, 360, 480, 547, 562, 720, 843, 1094, 1124, 1405, 1440, 1641, 1686, 2188, 2248, 2529, 2735, 2810, 3282, 3372, 4215, 4376, 4496, 4923, 5058, 5470, 5620, 6564, 6744, 8205, 8430, 8752, 8992, 9846, 10116, 10940, 11240, 12645, 13128, 13488, 16410, 16860, 17504, 19692, 20232, 21880, 22480, 24615, 25290, 26256, 26976, 32820, 33720, 39384, 40464, 43760, 44960, 49230, 50580, 52512, 65640, 67440, 78768, 80928, 87520, 98460, 101160, 131280, 134880, 153707, 157536, 196920, 202320, 262560, 307414, 393840, 404640, 461121, 614828, 768535, 787680, 922242, 1229656, 1383363, 1537070, 1844484, 2305605, 2459312, 2766726, 3074140, 3688968, 4611210, 4918624, 5533452, 6148280, 6916815, 7377936, 9222420, 11066904, 12296560, 13833630, 14755872, 18444840, 22133808, 24593120, 27667260, 36889680, 44267616, 55334520, 73779360, 110669040, 221338080]

約数ペア:

[(1, 221338080), (2, 110669040), (3, 73779360), (4, 55334520), (5, 44267616), (6, 36889680), (8, 27667260), (9, 24593120), (10, 22133808), (12, 18444840), (15, 14755872), (16, 13833630), (18, 12296560), (20, 11066904), (24, 9222420), (30, 7377936), (32, 6916815), (36, 6148280), (40, 5533452), (45, 4918624), (48, 4611210), (60, 3688968), (72, 3074140), (80, 2766726), (90, 2459312), (96, 2305605), (120, 1844484), (144, 1537070), (160, 1383363), (180, 1229656), (240, 922242), (281, 787680), (288, 768535), (360, 614828), (480, 461121), (547, 404640), (562, 393840), (720, 307414), (843, 262560), (1094, 202320), (1124, 196920), (1405, 157536), (1440, 153707), (1641, 134880), (1686, 131280), (2188, 101160), (2248, 98460), (2529, 87520), (2735, 80928), (2810, 78768), (3282, 67440), (3372, 65640), (4215, 52512), (4376, 50580), (4496, 49230), (4923, 44960), (5058, 43760), (5470, 40464), (5620, 39384), (6564, 33720), (6744, 32820), (8205, 26976), (8430, 26256), (8752, 25290), (8992, 24615), (9846, 22480), (10116, 21880), (10940, 20232), (11240, 19692), (12645, 17504), (13128, 16860), (13488, 16410)]