1980002880

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{25463}}^1$

素因数の和:25495

約数の個数: 168

約数和(自身を含む): 7062898752

約数和(自身を除く): 5082895872

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1620, 1728, 1944, 2160, 2430, 2592, 2880, 3240, 3888, 4320, 4860, 5184, 6480, 7776, 8640, 9720, 12960, 15552, 19440, 25463, 25920, 38880, 50926, 76389, 77760, 101852, 127315, 152778, 203704, 229167, 254630, 305556, 381945, 407408, 458334, 509260, 611112, 687501, 763890, 814816, 916668, 1018520, 1145835, 1222224, 1375002, 1527780, 1629632, 1833336, 2037040, 2062503, 2291670, 2444448, 2750004, 3055560, 3437505, 3666672, 4074080, 4125006, 4583340, 4888896, 5500008, 6111120, 6187509, 6875010, 7333344, 8148160, 8250012, 9166680, 10312515, 11000016, 12222240, 12375018, 13750020, 14666688, 16500024, 18333360, 20625030, 22000032, 24444480, 24750036, 27500040, 30937545, 33000048, 36666720, 41250060, 44000064, 49500072, 55000080, 61875090, 66000096, 73333440, 82500120, 99000144, 110000160, 123750180, 132000192, 165000240, 198000288, 220000320, 247500360, 330000480, 396000576, 495000720, 660000960, 990001440, 1980002880]

約数ペア:

[(1, 1980002880), (2, 990001440), (3, 660000960), (4, 495000720), (5, 396000576), (6, 330000480), (8, 247500360), (9, 220000320), (10, 198000288), (12, 165000240), (15, 132000192), (16, 123750180), (18, 110000160), (20, 99000144), (24, 82500120), (27, 73333440), (30, 66000096), (32, 61875090), (36, 55000080), (40, 49500072), (45, 44000064), (48, 41250060), (54, 36666720), (60, 33000048), (64, 30937545), (72, 27500040), (80, 24750036), (81, 24444480), (90, 22000032), (96, 20625030), (108, 18333360), (120, 16500024), (135, 14666688), (144, 13750020), (160, 12375018), (162, 12222240), (180, 11000016), (192, 10312515), (216, 9166680), (240, 8250012), (243, 8148160), (270, 7333344), (288, 6875010), (320, 6187509), (324, 6111120), (360, 5500008), (405, 4888896), (432, 4583340), (480, 4125006), (486, 4074080), (540, 3666672), (576, 3437505), (648, 3055560), (720, 2750004), (810, 2444448), (864, 2291670), (960, 2062503), (972, 2037040), (1080, 1833336), (1215, 1629632), (1296, 1527780), (1440, 1375002), (1620, 1222224), (1728, 1145835), (1944, 1018520), (2160, 916668), (2430, 814816), (2592, 763890), (2880, 687501), (3240, 611112), (3888, 509260), (4320, 458334), (4860, 407408), (5184, 381945), (6480, 305556), (7776, 254630), (8640, 229167), (9720, 203704), (12960, 152778), (15552, 127315), (19440, 101852), (25463, 77760), (25920, 76389), (38880, 50926)]