218531520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{8431}}^1$

素因数の和:8460

約数の個数: 140

約数和(自身を含む): 777447264

約数和(自身を除く): 558915744

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, 8431, 8640, 12960, 16862, 25293, 25920, 33724, 42155, 50586, 67448, 75879, 84310, 101172, 126465, 134896, 151758, 168620, 202344, 227637, 252930, 269792, 303516, 337240, 379395, 404688, 455274, 505860, 539584, 607032, 674480, 682911, 758790, 809376, 910548, 1011720, 1138185, 1214064, 1348960, 1365822, 1517580, 1618752, 1821096, 2023440, 2276370, 2428128, 2697920, 2731644, 3035160, 3414555, 3642192, 4046880, 4552740, 4856256, 5463288, 6070320, 6829110, 7284384, 8093760, 9105480, 10926576, 12140640, 13658220, 14568768, 18210960, 21853152, 24281280, 27316440, 36421920, 43706304, 54632880, 72843840, 109265760, 218531520]

約数ペア:

[(1, 218531520), (2, 109265760), (3, 72843840), (4, 54632880), (5, 43706304), (6, 36421920), (8, 27316440), (9, 24281280), (10, 21853152), (12, 18210960), (15, 14568768), (16, 13658220), (18, 12140640), (20, 10926576), (24, 9105480), (27, 8093760), (30, 7284384), (32, 6829110), (36, 6070320), (40, 5463288), (45, 4856256), (48, 4552740), (54, 4046880), (60, 3642192), (64, 3414555), (72, 3035160), (80, 2731644), (81, 2697920), (90, 2428128), (96, 2276370), (108, 2023440), (120, 1821096), (135, 1618752), (144, 1517580), (160, 1365822), (162, 1348960), (180, 1214064), (192, 1138185), (216, 1011720), (240, 910548), (270, 809376), (288, 758790), (320, 682911), (324, 674480), (360, 607032), (405, 539584), (432, 505860), (480, 455274), (540, 404688), (576, 379395), (648, 337240), (720, 303516), (810, 269792), (864, 252930), (960, 227637), (1080, 202344), (1296, 168620), (1440, 151758), (1620, 134896), (1728, 126465), (2160, 101172), (2592, 84310), (2880, 75879), (3240, 67448), (4320, 50586), (5184, 42155), (6480, 33724), (8431, 25920), (8640, 25293), (12960, 16862)]