218617920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{25303}}^1$

素因数の和:25329

約数の個数: 112

約数和(自身を含む): 771265920

約数和(自身を除く): 552648000

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, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 25303, 50606, 75909, 101212, 126515, 151818, 202424, 227727, 253030, 303636, 379545, 404848, 455454, 506060, 607272, 683181, 759090, 809696, 910908, 1012120, 1138635, 1214544, 1366362, 1518180, 1619392, 1821816, 2024240, 2277270, 2429088, 2732724, 3036360, 3415905, 3643632, 4048480, 4554540, 4858176, 5465448, 6072720, 6831810, 7287264, 8096960, 9109080, 10930896, 12145440, 13663620, 14574528, 18218160, 21861792, 24290880, 27327240, 36436320, 43723584, 54654480, 72872640, 109308960, 218617920]

約数ペア:

[(1, 218617920), (2, 109308960), (3, 72872640), (4, 54654480), (5, 43723584), (6, 36436320), (8, 27327240), (9, 24290880), (10, 21861792), (12, 18218160), (15, 14574528), (16, 13663620), (18, 12145440), (20, 10930896), (24, 9109080), (27, 8096960), (30, 7287264), (32, 6831810), (36, 6072720), (40, 5465448), (45, 4858176), (48, 4554540), (54, 4048480), (60, 3643632), (64, 3415905), (72, 3036360), (80, 2732724), (90, 2429088), (96, 2277270), (108, 2024240), (120, 1821816), (135, 1619392), (144, 1518180), (160, 1366362), (180, 1214544), (192, 1138635), (216, 1012120), (240, 910908), (270, 809696), (288, 759090), (320, 683181), (360, 607272), (432, 506060), (480, 455454), (540, 404848), (576, 379545), (720, 303636), (864, 253030), (960, 227727), (1080, 202424), (1440, 151818), (1728, 126515), (2160, 101212), (2880, 75909), (4320, 50606), (8640, 25303)]