20687606400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{8011}}^1$

素因数の和:8307

約数の個数: 192

約数和(自身を含む): 68401648800

約数和(自身を除く): 47714042400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 269, 300, 320, 384, 400, 480, 538, 600, 640, 800, 807, 960, 1076, 1200, 1345, 1600, 1614, 1920, 2152, 2400, 2690, 3200, 3228, 4035, 4304, 4800, 5380, 6456, 6725, 8011, 8070, 8608, 9600, 10760, 12912, 13450, 16022, 16140, 17216, 20175, 21520, 24033, 25824, 26900, 32044, 32280, 34432, 40055, 40350, 43040, 48066, 51648, 53800, 64088, 64560, 80110, 80700, 86080, 96132, 103296, 107600, 120165, 128176, 129120, 160220, 161400, 172160, 192264, 200275, 215200, 240330, 256352, 258240, 320440, 322800, 384528, 400550, 430400, 480660, 512704, 516480, 600825, 640880, 645600, 769056, 801100, 860800, 961320, 1025408, 1201650, 1281760, 1291200, 1538112, 1602200, 1922640, 2154959, 2403300, 2563520, 2582400, 3076224, 3204400, 3845280, 4309918, 4806600, 5127040, 6408800, 6464877, 7690560, 8619836, 9613200, 10774795, 12817600, 12929754, 15381120, 17239672, 19226400, 21549590, 25635200, 25859508, 32324385, 34479344, 38452800, 43099180, 51719016, 53873975, 64648770, 68958688, 76905600, 86198360, 103438032, 107747950, 129297540, 137917376, 161621925, 172396720, 206876064, 215495900, 258595080, 275834752, 323243850, 344793440, 413752128, 430991800, 517190160, 646487700, 689586880, 827504256, 861983600, 1034380320, 1292975400, 1379173760, 1723967200, 2068760640, 2585950800, 3447934400, 4137521280, 5171901600, 6895868800, 10343803200, 20687606400]

約数ペア:

[(1, 20687606400), (2, 10343803200), (3, 6895868800), (4, 5171901600), (5, 4137521280), (6, 3447934400), (8, 2585950800), (10, 2068760640), (12, 1723967200), (15, 1379173760), (16, 1292975400), (20, 1034380320), (24, 861983600), (25, 827504256), (30, 689586880), (32, 646487700), (40, 517190160), (48, 430991800), (50, 413752128), (60, 344793440), (64, 323243850), (75, 275834752), (80, 258595080), (96, 215495900), (100, 206876064), (120, 172396720), (128, 161621925), (150, 137917376), (160, 129297540), (192, 107747950), (200, 103438032), (240, 86198360), (269, 76905600), (300, 68958688), (320, 64648770), (384, 53873975), (400, 51719016), (480, 43099180), (538, 38452800), (600, 34479344), (640, 32324385), (800, 25859508), (807, 25635200), (960, 21549590), (1076, 19226400), (1200, 17239672), (1345, 15381120), (1600, 12929754), (1614, 12817600), (1920, 10774795), (2152, 9613200), (2400, 8619836), (2690, 7690560), (3200, 6464877), (3228, 6408800), (4035, 5127040), (4304, 4806600), (4800, 4309918), (5380, 3845280), (6456, 3204400), (6725, 3076224), (8011, 2582400), (8070, 2563520), (8608, 2403300), (9600, 2154959), (10760, 1922640), (12912, 1602200), (13450, 1538112), (16022, 1291200), (16140, 1281760), (17216, 1201650), (20175, 1025408), (21520, 961320), (24033, 860800), (25824, 801100), (26900, 769056), (32044, 645600), (32280, 640880), (34432, 600825), (40055, 516480), (40350, 512704), (43040, 480660), (48066, 430400), (51648, 400550), (53800, 384528), (64088, 322800), (64560, 320440), (80110, 258240), (80700, 256352), (86080, 240330), (96132, 215200), (103296, 200275), (107600, 192264), (120165, 172160), (128176, 161400), (129120, 160220)]