20778520320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1803691}}^1$

素因数の和:1803718

約数の個数: 108

約数和(自身を含む): 71891555736

約数和(自身を除く): 51113035416

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 1803691, 3607382, 5411073, 7214764, 9018455, 10822146, 14429528, 16233219, 18036910, 21644292, 27055365, 28859056, 32466438, 36073820, 43288584, 54110730, 57718112, 64932876, 72147640, 81166095, 86577168, 108221460, 115436224, 129865752, 144295280, 162332190, 173154336, 216442920, 230872448, 259731504, 288590560, 324664380, 346308672, 432885840, 461744896, 519463008, 577181120, 649328760, 692617344, 865771680, 1038926016, 1154362240, 1298657520, 1385234688, 1731543360, 2077852032, 2308724480, 2597315040, 3463086720, 4155704064, 5194630080, 6926173440, 10389260160, 20778520320]

約数ペア:

[(1, 20778520320), (2, 10389260160), (3, 6926173440), (4, 5194630080), (5, 4155704064), (6, 3463086720), (8, 2597315040), (9, 2308724480), (10, 2077852032), (12, 1731543360), (15, 1385234688), (16, 1298657520), (18, 1154362240), (20, 1038926016), (24, 865771680), (30, 692617344), (32, 649328760), (36, 577181120), (40, 519463008), (45, 461744896), (48, 432885840), (60, 346308672), (64, 324664380), (72, 288590560), (80, 259731504), (90, 230872448), (96, 216442920), (120, 173154336), (128, 162332190), (144, 144295280), (160, 129865752), (180, 115436224), (192, 108221460), (240, 86577168), (256, 81166095), (288, 72147640), (320, 64932876), (360, 57718112), (384, 54110730), (480, 43288584), (576, 36073820), (640, 32466438), (720, 28859056), (768, 27055365), (960, 21644292), (1152, 18036910), (1280, 16233219), (1440, 14429528), (1920, 10822146), (2304, 9018455), (2880, 7214764), (3840, 5411073), (5760, 3607382), (11520, 1803691)]