255856320

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9871}}^1$

素因数の和:9900

約数の個数: 140

約数和(自身を含む): 910218144

約数和(自身を除く): 654361824

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9871, 12960, 19742, 25920, 29613, 39484, 49355, 59226, 78968, 88839, 98710, 118452, 148065, 157936, 177678, 197420, 236904, 266517, 296130, 315872, 355356, 394840, 444195, 473808, 533034, 592260, 631744, 710712, 789680, 799551, 888390, 947616, 1066068, 1184520, 1332585, 1421424, 1579360, 1599102, 1776780, 1895232, 2132136, 2369040, 2665170, 2842848, 3158720, 3198204, 3553560, 3997755, 4264272, 4738080, 5330340, 5685696, 6396408, 7107120, 7995510, 8528544, 9476160, 10660680, 12792816, 14214240, 15991020, 17057088, 21321360, 25585632, 28428480, 31982040, 42642720, 51171264, 63964080, 85285440, 127928160, 255856320]

約数ペア:

[(1, 255856320), (2, 127928160), (3, 85285440), (4, 63964080), (5, 51171264), (6, 42642720), (8, 31982040), (9, 28428480), (10, 25585632), (12, 21321360), (15, 17057088), (16, 15991020), (18, 14214240), (20, 12792816), (24, 10660680), (27, 9476160), (30, 8528544), (32, 7995510), (36, 7107120), (40, 6396408), (45, 5685696), (48, 5330340), (54, 4738080), (60, 4264272), (64, 3997755), (72, 3553560), (80, 3198204), (81, 3158720), (90, 2842848), (96, 2665170), (108, 2369040), (120, 2132136), (135, 1895232), (144, 1776780), (160, 1599102), (162, 1579360), (180, 1421424), (192, 1332585), (216, 1184520), (240, 1066068), (270, 947616), (288, 888390), (320, 799551), (324, 789680), (360, 710712), (405, 631744), (432, 592260), (480, 533034), (540, 473808), (576, 444195), (648, 394840), (720, 355356), (810, 315872), (864, 296130), (960, 266517), (1080, 236904), (1296, 197420), (1440, 177678), (1620, 157936), (1728, 148065), (2160, 118452), (2592, 98710), (2880, 88839), (3240, 78968), (4320, 59226), (5184, 49355), (6480, 39484), (8640, 29613), (9871, 25920), (12960, 19742)]