1998505440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1759}}^1$

素因数の和:2046

約数の個数: 192

約数和(自身を含む): 7025356800

約数和(自身を除く): 5026851360

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, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 263, 270, 288, 360, 432, 480, 526, 540, 720, 789, 864, 1052, 1080, 1315, 1440, 1578, 1759, 2104, 2160, 2367, 2630, 3156, 3518, 3945, 4208, 4320, 4734, 5260, 5277, 6312, 7036, 7101, 7890, 8416, 8795, 9468, 10520, 10554, 11835, 12624, 14072, 14202, 15780, 15831, 17590, 18936, 21040, 21108, 23670, 25248, 26385, 28144, 28404, 31560, 31662, 35180, 35505, 37872, 42080, 42216, 47340, 47493, 52770, 56288, 56808, 63120, 63324, 70360, 71010, 75744, 79155, 84432, 94680, 94986, 105540, 113616, 126240, 126648, 140720, 142020, 158310, 168864, 189360, 189972, 211080, 227232, 237465, 253296, 281440, 284040, 316620, 378720, 379944, 422160, 462617, 474930, 506592, 568080, 633240, 759888, 844320, 925234, 949860, 1136160, 1266480, 1387851, 1519776, 1850468, 1899720, 2313085, 2532960, 2775702, 3700936, 3799440, 4163553, 4626170, 5551404, 6939255, 7401872, 7598880, 8327106, 9252340, 11102808, 12490659, 13878510, 14803744, 16654212, 18504680, 20817765, 22205616, 24981318, 27757020, 33308424, 37009360, 41635530, 44411232, 49962636, 55514040, 62453295, 66616848, 74018720, 83271060, 99925272, 111028080, 124906590, 133233696, 166542120, 199850544, 222056160, 249813180, 333084240, 399701088, 499626360, 666168480, 999252720, 1998505440]

約数ペア:

[(1, 1998505440), (2, 999252720), (3, 666168480), (4, 499626360), (5, 399701088), (6, 333084240), (8, 249813180), (9, 222056160), (10, 199850544), (12, 166542120), (15, 133233696), (16, 124906590), (18, 111028080), (20, 99925272), (24, 83271060), (27, 74018720), (30, 66616848), (32, 62453295), (36, 55514040), (40, 49962636), (45, 44411232), (48, 41635530), (54, 37009360), (60, 33308424), (72, 27757020), (80, 24981318), (90, 22205616), (96, 20817765), (108, 18504680), (120, 16654212), (135, 14803744), (144, 13878510), (160, 12490659), (180, 11102808), (216, 9252340), (240, 8327106), (263, 7598880), (270, 7401872), (288, 6939255), (360, 5551404), (432, 4626170), (480, 4163553), (526, 3799440), (540, 3700936), (720, 2775702), (789, 2532960), (864, 2313085), (1052, 1899720), (1080, 1850468), (1315, 1519776), (1440, 1387851), (1578, 1266480), (1759, 1136160), (2104, 949860), (2160, 925234), (2367, 844320), (2630, 759888), (3156, 633240), (3518, 568080), (3945, 506592), (4208, 474930), (4320, 462617), (4734, 422160), (5260, 379944), (5277, 378720), (6312, 316620), (7036, 284040), (7101, 281440), (7890, 253296), (8416, 237465), (8795, 227232), (9468, 211080), (10520, 189972), (10554, 189360), (11835, 168864), (12624, 158310), (14072, 142020), (14202, 140720), (15780, 126648), (15831, 126240), (17590, 113616), (18936, 105540), (21040, 94986), (21108, 94680), (23670, 84432), (25248, 79155), (26385, 75744), (28144, 71010), (28404, 70360), (31560, 63324), (31662, 63120), (35180, 56808), (35505, 56288), (37872, 52770), (42080, 47493), (42216, 47340)]