81576720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12589}}^1$

素因数の和:12614

約数の個数: 100

約数和(自身を含む): 283350540

約数和(自身を除く): 201773820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12589, 25178, 37767, 50356, 62945, 75534, 100712, 113301, 125890, 151068, 188835, 201424, 226602, 251780, 302136, 339903, 377670, 453204, 503560, 566505, 604272, 679806, 755340, 906408, 1007120, 1019709, 1133010, 1359612, 1510680, 1699515, 1812816, 2039418, 2266020, 2719224, 3021360, 3399030, 4078836, 4532040, 5098545, 5438448, 6798060, 8157672, 9064080, 10197090, 13596120, 16315344, 20394180, 27192240, 40788360, 81576720]

約数ペア:

[(1, 81576720), (2, 40788360), (3, 27192240), (4, 20394180), (5, 16315344), (6, 13596120), (8, 10197090), (9, 9064080), (10, 8157672), (12, 6798060), (15, 5438448), (16, 5098545), (18, 4532040), (20, 4078836), (24, 3399030), (27, 3021360), (30, 2719224), (36, 2266020), (40, 2039418), (45, 1812816), (48, 1699515), (54, 1510680), (60, 1359612), (72, 1133010), (80, 1019709), (81, 1007120), (90, 906408), (108, 755340), (120, 679806), (135, 604272), (144, 566505), (162, 503560), (180, 453204), (216, 377670), (240, 339903), (270, 302136), (324, 251780), (360, 226602), (405, 201424), (432, 188835), (540, 151068), (648, 125890), (720, 113301), (810, 100712), (1080, 75534), (1296, 62945), (1620, 50356), (2160, 37767), (3240, 25178), (6480, 12589)]