217537920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{12589}}^1$

素因数の和:12617

約数の個数: 128

約数和(自身を含む): 770508000

約数和(自身を除く): 552970080

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, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 12589, 17280, 25178, 37767, 50356, 62945, 75534, 100712, 113301, 125890, 151068, 188835, 201424, 226602, 251780, 302136, 339903, 377670, 402848, 453204, 503560, 566505, 604272, 679806, 755340, 805696, 906408, 1007120, 1133010, 1208544, 1359612, 1510680, 1611392, 1699515, 1812816, 2014240, 2266020, 2417088, 2719224, 3021360, 3399030, 3625632, 4028480, 4532040, 4834176, 5438448, 6042720, 6798060, 7251264, 8056960, 9064080, 10876896, 12085440, 13596120, 14502528, 18128160, 21753792, 24170880, 27192240, 36256320, 43507584, 54384480, 72512640, 108768960, 217537920]

約数ペア:

[(1, 217537920), (2, 108768960), (3, 72512640), (4, 54384480), (5, 43507584), (6, 36256320), (8, 27192240), (9, 24170880), (10, 21753792), (12, 18128160), (15, 14502528), (16, 13596120), (18, 12085440), (20, 10876896), (24, 9064080), (27, 8056960), (30, 7251264), (32, 6798060), (36, 6042720), (40, 5438448), (45, 4834176), (48, 4532040), (54, 4028480), (60, 3625632), (64, 3399030), (72, 3021360), (80, 2719224), (90, 2417088), (96, 2266020), (108, 2014240), (120, 1812816), (128, 1699515), (135, 1611392), (144, 1510680), (160, 1359612), (180, 1208544), (192, 1133010), (216, 1007120), (240, 906408), (270, 805696), (288, 755340), (320, 679806), (360, 604272), (384, 566505), (432, 503560), (480, 453204), (540, 402848), (576, 377670), (640, 339903), (720, 302136), (864, 251780), (960, 226602), (1080, 201424), (1152, 188835), (1440, 151068), (1728, 125890), (1920, 113301), (2160, 100712), (2880, 75534), (3456, 62945), (4320, 50356), (5760, 37767), (8640, 25178), (12589, 17280)]