81996163920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:641

約数の個数: 800

約数和(自身を含む): 331812619776

約数和(自身を除く): 249816455856

約数列:

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50614916, 51765255, 52226856, 53592264, 54810270, 55216272, 58029840, 59546960, 60291297, 62118306, 63268645, 63415440, 65283570, 66990330, 69020340, 73080360, 75922374, 80388396, 82824408, 87044760, 87696432, 89320440, 92027120, 93177459, 95123160, 100485495, 101229832, 103530510, 104453712, 107184528, 109620540, 113883561, 120582594, 124236612, 126537290, 130567140, 133980660, 138040680, 146160720, 151844748, 155295765, 160776792, 165648816, 174089520, 178640880, 186354918, 189805935, 190246320, 200970990, 202459664, 207061020, 219241080, 227767122, 241165188, 248473224, 253074580, 261134280, 267961320, 276081360, 301456485, 303689496, 310591530, 321553584, 341650683, 372709836, 379611870, 401941980, 414122040, 438482160, 455534244, 465887295, 482330376, 496946448, 506149160, 522268560, 535922640, 569417805, 602912970, 607378992, 621183060, 683301366, 745419672, 759223740, 803883960, 828244080, 911068488, 931774590, 964660752, 1012298320, 1024952049, 1138835610, 1205825940, 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約数ペア:

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