218521440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{577}}^1$

素因数の和:861

約数の個数: 144

約数和(自身を含む): 749837088

約数和(自身を除く): 531315648

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, 263, 288, 360, 480, 526, 577, 720, 789, 1052, 1154, 1315, 1440, 1578, 1731, 2104, 2308, 2367, 2630, 2885, 3156, 3462, 3945, 4208, 4616, 4734, 5193, 5260, 5770, 6312, 6924, 7890, 8416, 8655, 9232, 9468, 10386, 10520, 11540, 11835, 12624, 13848, 15780, 17310, 18464, 18936, 20772, 21040, 23080, 23670, 25248, 25965, 27696, 31560, 34620, 37872, 41544, 42080, 46160, 47340, 51930, 55392, 63120, 69240, 75744, 83088, 92320, 94680, 103860, 126240, 138480, 151751, 166176, 189360, 207720, 276960, 303502, 378720, 415440, 455253, 607004, 758755, 830880, 910506, 1214008, 1365759, 1517510, 1821012, 2276265, 2428016, 2731518, 3035020, 3642024, 4552530, 4856032, 5463036, 6070040, 6828795, 7284048, 9105060, 10926072, 12140080, 13657590, 14568096, 18210120, 21852144, 24280160, 27315180, 36420240, 43704288, 54630360, 72840480, 109260720, 218521440]

約数ペア:

[(1, 218521440), (2, 109260720), (3, 72840480), (4, 54630360), (5, 43704288), (6, 36420240), (8, 27315180), (9, 24280160), (10, 21852144), (12, 18210120), (15, 14568096), (16, 13657590), (18, 12140080), (20, 10926072), (24, 9105060), (30, 7284048), (32, 6828795), (36, 6070040), (40, 5463036), (45, 4856032), (48, 4552530), (60, 3642024), (72, 3035020), (80, 2731518), (90, 2428016), (96, 2276265), (120, 1821012), (144, 1517510), (160, 1365759), (180, 1214008), (240, 910506), (263, 830880), (288, 758755), (360, 607004), (480, 455253), (526, 415440), (577, 378720), (720, 303502), (789, 276960), (1052, 207720), (1154, 189360), (1315, 166176), (1440, 151751), (1578, 138480), (1731, 126240), (2104, 103860), (2308, 94680), (2367, 92320), (2630, 83088), (2885, 75744), (3156, 69240), (3462, 63120), (3945, 55392), (4208, 51930), (4616, 47340), (4734, 46160), (5193, 42080), (5260, 41544), (5770, 37872), (6312, 34620), (6924, 31560), (7890, 27696), (8416, 25965), (8655, 25248), (9232, 23670), (9468, 23080), (10386, 21040), (10520, 20772), (11540, 18936), (11835, 18464), (12624, 17310), (13848, 15780)]