21008682720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{91757}}^1$

素因数の和:91834

約数の個数: 192

約数和(自身を含む): 74918571840

約数和(自身を除く): 53909889120

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, 53, 54, 60, 72, 80, 90, 96, 106, 108, 120, 135, 144, 159, 160, 180, 212, 216, 240, 265, 270, 288, 318, 360, 424, 432, 477, 480, 530, 540, 636, 720, 795, 848, 864, 954, 1060, 1080, 1272, 1431, 1440, 1590, 1696, 1908, 2120, 2160, 2385, 2544, 2862, 3180, 3816, 4240, 4320, 4770, 5088, 5724, 6360, 7155, 7632, 8480, 9540, 11448, 12720, 14310, 15264, 19080, 22896, 25440, 28620, 38160, 45792, 57240, 76320, 91757, 114480, 183514, 228960, 275271, 367028, 458785, 550542, 734056, 825813, 917570, 1101084, 1376355, 1468112, 1651626, 1835140, 2202168, 2477439, 2752710, 2936224, 3303252, 3670280, 4129065, 4404336, 4863121, 4954878, 5505420, 6606504, 7340560, 8258130, 8808672, 9726242, 9909756, 11010840, 12387195, 13213008, 14589363, 14681120, 16516260, 19452484, 19819512, 22021680, 24315605, 24774390, 26426016, 29178726, 33032520, 38904968, 39639024, 43768089, 44043360, 48631210, 49548780, 58357452, 66065040, 72946815, 77809936, 79278048, 87536178, 97262420, 99097560, 116714904, 131304267, 132130080, 145893630, 155619872, 175072356, 194524840, 198195120, 218840445, 233429808, 262608534, 291787260, 350144712, 389049680, 396390240, 437680890, 466859616, 525217068, 583574520, 656521335, 700289424, 778099360, 875361780, 1050434136, 1167149040, 1313042670, 1400578848, 1750723560, 2100868272, 2334298080, 2626085340, 3501447120, 4201736544, 5252170680, 7002894240, 10504341360, 21008682720]

約数ペア:

[(1, 21008682720), (2, 10504341360), (3, 7002894240), (4, 5252170680), (5, 4201736544), (6, 3501447120), (8, 2626085340), (9, 2334298080), (10, 2100868272), (12, 1750723560), (15, 1400578848), (16, 1313042670), (18, 1167149040), (20, 1050434136), (24, 875361780), (27, 778099360), (30, 700289424), (32, 656521335), (36, 583574520), (40, 525217068), (45, 466859616), (48, 437680890), (53, 396390240), (54, 389049680), (60, 350144712), (72, 291787260), (80, 262608534), (90, 233429808), (96, 218840445), (106, 198195120), (108, 194524840), (120, 175072356), (135, 155619872), (144, 145893630), (159, 132130080), (160, 131304267), (180, 116714904), (212, 99097560), (216, 97262420), (240, 87536178), (265, 79278048), (270, 77809936), (288, 72946815), (318, 66065040), (360, 58357452), (424, 49548780), (432, 48631210), (477, 44043360), (480, 43768089), (530, 39639024), (540, 38904968), (636, 33032520), (720, 29178726), (795, 26426016), (848, 24774390), (864, 24315605), (954, 22021680), (1060, 19819512), (1080, 19452484), (1272, 16516260), (1431, 14681120), (1440, 14589363), (1590, 13213008), (1696, 12387195), (1908, 11010840), (2120, 9909756), (2160, 9726242), (2385, 8808672), (2544, 8258130), (2862, 7340560), (3180, 6606504), (3816, 5505420), (4240, 4954878), (4320, 4863121), (4770, 4404336), (5088, 4129065), (5724, 3670280), (6360, 3303252), (7155, 2936224), (7632, 2752710), (8480, 2477439), (9540, 2202168), (11448, 1835140), (12720, 1651626), (14310, 1468112), (15264, 1376355), (19080, 1101084), (22896, 917570), (25440, 825813), (28620, 734056), (38160, 550542), (45792, 458785), (57240, 367028), (76320, 275271), (91757, 228960), (114480, 183514)]