210399840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20873}}^1$

素因数の和:20901

約数の個数: 144

約数和(自身を含む): 820598688

約数和(自身を除く): 610198848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20873, 41746, 62619, 83492, 104365, 125238, 146111, 166984, 187857, 208730, 250476, 292222, 313095, 333968, 375714, 417460, 438333, 500952, 584444, 626190, 667936, 730555, 751428, 834920, 876666, 939285, 1001904, 1168888, 1252380, 1314999, 1461110, 1502856, 1669840, 1753332, 1878570, 2003808, 2191665, 2337776, 2504760, 2629998, 2922220, 3005712, 3339680, 3506664, 3757140, 4383330, 4675552, 5009520, 5259996, 5844440, 6011424, 6574995, 7013328, 7514280, 8766660, 10019040, 10519992, 11688880, 13149990, 14026656, 15028560, 17533320, 21039984, 23377760, 26299980, 30057120, 35066640, 42079968, 52599960, 70133280, 105199920, 210399840]

約数ペア:

[(1, 210399840), (2, 105199920), (3, 70133280), (4, 52599960), (5, 42079968), (6, 35066640), (7, 30057120), (8, 26299980), (9, 23377760), (10, 21039984), (12, 17533320), (14, 15028560), (15, 14026656), (16, 13149990), (18, 11688880), (20, 10519992), (21, 10019040), (24, 8766660), (28, 7514280), (30, 7013328), (32, 6574995), (35, 6011424), (36, 5844440), (40, 5259996), (42, 5009520), (45, 4675552), (48, 4383330), (56, 3757140), (60, 3506664), (63, 3339680), (70, 3005712), (72, 2922220), (80, 2629998), (84, 2504760), (90, 2337776), (96, 2191665), (105, 2003808), (112, 1878570), (120, 1753332), (126, 1669840), (140, 1502856), (144, 1461110), (160, 1314999), (168, 1252380), (180, 1168888), (210, 1001904), (224, 939285), (240, 876666), (252, 834920), (280, 751428), (288, 730555), (315, 667936), (336, 626190), (360, 584444), (420, 500952), (480, 438333), (504, 417460), (560, 375714), (630, 333968), (672, 313095), (720, 292222), (840, 250476), (1008, 208730), (1120, 187857), (1260, 166984), (1440, 146111), (1680, 125238), (2016, 104365), (2520, 83492), (3360, 62619), (5040, 41746), (10080, 20873)]