81732240

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12613}}^1$

素因数の和:12638

約数の個数: 100

約数和(自身を含む): 283890684

約数和(自身を除く): 202158444

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, 12613, 25226, 37839, 50452, 63065, 75678, 100904, 113517, 126130, 151356, 189195, 201808, 227034, 252260, 302712, 340551, 378390, 454068, 504520, 567585, 605424, 681102, 756780, 908136, 1009040, 1021653, 1135170, 1362204, 1513560, 1702755, 1816272, 2043306, 2270340, 2724408, 3027120, 3405510, 4086612, 4540680, 5108265, 5448816, 6811020, 8173224, 9081360, 10216530, 13622040, 16346448, 20433060, 27244080, 40866120, 81732240]

約数ペア:

[(1, 81732240), (2, 40866120), (3, 27244080), (4, 20433060), (5, 16346448), (6, 13622040), (8, 10216530), (9, 9081360), (10, 8173224), (12, 6811020), (15, 5448816), (16, 5108265), (18, 4540680), (20, 4086612), (24, 3405510), (27, 3027120), (30, 2724408), (36, 2270340), (40, 2043306), (45, 1816272), (48, 1702755), (54, 1513560), (60, 1362204), (72, 1135170), (80, 1021653), (81, 1009040), (90, 908136), (108, 756780), (120, 681102), (135, 605424), (144, 567585), (162, 504520), (180, 454068), (216, 378390), (240, 340551), (270, 302712), (324, 252260), (360, 227034), (405, 201808), (432, 189195), (540, 151356), (648, 126130), (720, 113517), (810, 100904), (1080, 75678), (1296, 63065), (1620, 50452), (2160, 37839), (3240, 25226), (6480, 12613)]