20197961280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1195

約数の個数: 448

約数和(自身を含む): 81716636160

約数和(自身を除く): 61518674880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 521, 540, 560, 576, 630, 641, 672, 720, 756, 840, 864, 945, 960, 1008, 1042, 1080, 1120, 1260, 1282, 1344, 1440, 1512, 1563, 1680, 1728, 1890, 1923, 2016, 2084, 2160, 2240, 2520, 2564, 2605, 2880, 3024, 3126, 3205, 3360, 3647, 3780, 3846, 4032, 4168, 4320, 4487, 4689, 5040, 5128, 5210, 5769, 6048, 6252, 6410, 6720, 7294, 7560, 7692, 7815, 8336, 8640, 8974, 9378, 9615, 10080, 10256, 10420, 10941, 11538, 12096, 12504, 12820, 13461, 14067, 14588, 15120, 15384, 15630, 16672, 17307, 17948, 18235, 18756, 19230, 20160, 20512, 20840, 21882, 22435, 23076, 23445, 25008, 25640, 26922, 28134, 28845, 29176, 30240, 30768, 31260, 32823, 33344, 34614, 35896, 36470, 37512, 38460, 40383, 41024, 41680, 43764, 44870, 46152, 46890, 50016, 51280, 53844, 54705, 56268, 57690, 58352, 60480, 61536, 62520, 65646, 67305, 69228, 70335, 71792, 72940, 75024, 76920, 80766, 83360, 86535, 87528, 89740, 92304, 93780, 98469, 100032, 102560, 107688, 109410, 112536, 115380, 116704, 121149, 123072, 125040, 131292, 134610, 138456, 140670, 143584, 145880, 150048, 153840, 161532, 164115, 166720, 173070, 175056, 179480, 184608, 187560, 196938, 201915, 205120, 215376, 218820, 225072, 230760, 233408, 242298, 250080, 262584, 269220, 276912, 281340, 287168, 291760, 300096, 307680, 323064, 328230, 333961, 346140, 350112, 358960, 369216, 375120, 393876, 403830, 430752, 437640, 450144, 461520, 484596, 492345, 500160, 525168, 538440, 553824, 562680, 583520, 605745, 615360, 646128, 656460, 667922, 692280, 700224, 717920, 750240, 787752, 807660, 861504, 875280, 900288, 923040, 969192, 984690, 1001883, 1050336, 1076880, 1107648, 1125360, 1167040, 1211490, 1292256, 1312920, 1335844, 1384560, 1435840, 1500480, 1575504, 1615320, 1669805, 1750560, 1846080, 1938384, 1969380, 2003766, 2100672, 2153760, 2250720, 2337727, 2422980, 2584512, 2625840, 2671688, 2769120, 3005649, 3151008, 3230640, 3339610, 3501120, 3876768, 3938760, 4007532, 4307520, 4501440, 4675454, 4845960, 5009415, 5251680, 5343376, 5538240, 6011298, 6302016, 6461280, 6679220, 7013181, 7753536, 7877520, 8015064, 9016947, 9350908, 9691920, 10018830, 10503360, 10686752, 11688635, 12022596, 12922560, 13358440, 14026362, 15028245, 15755040, 16030128, 18033894, 18701816, 19383840, 20037660, 21039543, 21373504, 23377270, 24045192, 26716880, 28052724, 30056490, 31510080, 32060256, 35065905, 36067788, 37403632, 38767680, 40075320, 42079086, 45084735, 46754540, 48090384, 53433760, 56105448, 60112980, 63118629, 64120512, 70131810, 72135576, 74807264, 80150640, 84158172, 90169470, 93509080, 96180768, 105197715, 106867520, 112210896, 120225960, 126237258, 140263620, 144271152, 149614528, 160301280, 168316344, 180338940, 187018160, 192361536, 210395430, 224421792, 240451920, 252474516, 280527240, 288542304, 315593145, 320602560, 336632688, 360677880, 374036320, 420790860, 448843584, 480903840, 504949032, 561054480, 577084608, 631186290, 673265376, 721355760, 748072640, 841581720, 961807680, 1009898064, 1122108960, 1262372580, 1346530752, 1442711520, 1683163440, 2019796128, 2244217920, 2524745160, 2885423040, 3366326880, 4039592256, 5049490320, 6732653760, 10098980640, 20197961280]

約数ペア:

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