18854111520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{57679}}^1$

素因数の和:57927

約数の個数: 144

約数和(自身を含む): 64624210560

約数和(自身を除く): 45770099040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 227, 240, 288, 360, 454, 480, 681, 720, 908, 1135, 1362, 1440, 1816, 2043, 2270, 2724, 3405, 3632, 4086, 4540, 5448, 6810, 7264, 8172, 9080, 10215, 10896, 13620, 16344, 18160, 20430, 21792, 27240, 32688, 36320, 40860, 54480, 57679, 65376, 81720, 108960, 115358, 163440, 173037, 230716, 288395, 326880, 346074, 461432, 519111, 576790, 692148, 865185, 922864, 1038222, 1153580, 1384296, 1730370, 1845728, 2076444, 2307160, 2595555, 2768592, 3460740, 4152888, 4614320, 5191110, 5537184, 6921480, 8305776, 9228640, 10382220, 13093133, 13842960, 16611552, 20764440, 26186266, 27685920, 39279399, 41528880, 52372532, 65465665, 78558798, 83057760, 104745064, 117838197, 130931330, 157117596, 196396995, 209490128, 235676394, 261862660, 314235192, 392793990, 418980256, 471352788, 523725320, 589190985, 628470384, 785587980, 942705576, 1047450640, 1178381970, 1256940768, 1571175960, 1885411152, 2094901280, 2356763940, 3142351920, 3770822304, 4713527880, 6284703840, 9427055760, 18854111520]

約数ペア:

[(1, 18854111520), (2, 9427055760), (3, 6284703840), (4, 4713527880), (5, 3770822304), (6, 3142351920), (8, 2356763940), (9, 2094901280), (10, 1885411152), (12, 1571175960), (15, 1256940768), (16, 1178381970), (18, 1047450640), (20, 942705576), (24, 785587980), (30, 628470384), (32, 589190985), (36, 523725320), (40, 471352788), (45, 418980256), (48, 392793990), (60, 314235192), (72, 261862660), (80, 235676394), (90, 209490128), (96, 196396995), (120, 157117596), (144, 130931330), (160, 117838197), (180, 104745064), (227, 83057760), (240, 78558798), (288, 65465665), (360, 52372532), (454, 41528880), (480, 39279399), (681, 27685920), (720, 26186266), (908, 20764440), (1135, 16611552), (1362, 13842960), (1440, 13093133), (1816, 10382220), (2043, 9228640), (2270, 8305776), (2724, 6921480), (3405, 5537184), (3632, 5191110), (4086, 4614320), (4540, 4152888), (5448, 3460740), (6810, 2768592), (7264, 2595555), (8172, 2307160), (9080, 2076444), (10215, 1845728), (10896, 1730370), (13620, 1384296), (16344, 1153580), (18160, 1038222), (20430, 922864), (21792, 865185), (27240, 692148), (32688, 576790), (36320, 519111), (40860, 461432), (54480, 346074), (57679, 326880), (65376, 288395), (81720, 230716), (108960, 173037), (115358, 163440)]