28784160

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{2221}}^1$

素因数の和:2248

約数の個数: 120

約数和(自身を含む): 101629836

約数和(自身を除く): 72845676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2221, 2592, 3240, 4320, 4442, 6480, 6663, 8884, 11105, 12960, 13326, 17768, 19989, 22210, 26652, 33315, 35536, 39978, 44420, 53304, 59967, 66630, 71072, 79956, 88840, 99945, 106608, 119934, 133260, 159912, 177680, 179901, 199890, 213216, 239868, 266520, 299835, 319824, 355360, 359802, 399780, 479736, 533040, 599670, 639648, 719604, 799560, 899505, 959472, 1066080, 1199340, 1439208, 1599120, 1799010, 1918944, 2398680, 2878416, 3198240, 3598020, 4797360, 5756832, 7196040, 9594720, 14392080, 28784160]

約数ペア:

[(1, 28784160), (2, 14392080), (3, 9594720), (4, 7196040), (5, 5756832), (6, 4797360), (8, 3598020), (9, 3198240), (10, 2878416), (12, 2398680), (15, 1918944), (16, 1799010), (18, 1599120), (20, 1439208), (24, 1199340), (27, 1066080), (30, 959472), (32, 899505), (36, 799560), (40, 719604), (45, 639648), (48, 599670), (54, 533040), (60, 479736), (72, 399780), (80, 359802), (81, 355360), (90, 319824), (96, 299835), (108, 266520), (120, 239868), (135, 213216), (144, 199890), (160, 179901), (162, 177680), (180, 159912), (216, 133260), (240, 119934), (270, 106608), (288, 99945), (324, 88840), (360, 79956), (405, 71072), (432, 66630), (480, 59967), (540, 53304), (648, 44420), (720, 39978), (810, 35536), (864, 33315), (1080, 26652), (1296, 22210), (1440, 19989), (1620, 17768), (2160, 13326), (2221, 12960), (2592, 11105), (3240, 8884), (4320, 6663), (4442, 6480)]