81237600

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{3761}}^1$

素因数の和:3790

約数の個数: 144

約数和(自身を含む): 293887440

約数和(自身を除く): 212649840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 1080, 1200, 1350, 1440, 1800, 2160, 2400, 2700, 3600, 3761, 4320, 5400, 7200, 7522, 10800, 11283, 15044, 18805, 21600, 22566, 30088, 33849, 37610, 45132, 56415, 60176, 67698, 75220, 90264, 94025, 101547, 112830, 120352, 135396, 150440, 169245, 180528, 188050, 203094, 225660, 270792, 282075, 300880, 338490, 361056, 376100, 406188, 451320, 507735, 541584, 564150, 601760, 676980, 752200, 812376, 846225, 902640, 1015470, 1083168, 1128300, 1353960, 1504400, 1624752, 1692450, 1805280, 2030940, 2256600, 2538675, 2707920, 3008800, 3249504, 3384900, 4061880, 4513200, 5077350, 5415840, 6769800, 8123760, 9026400, 10154700, 13539600, 16247520, 20309400, 27079200, 40618800, 81237600]

約数ペア:

[(1, 81237600), (2, 40618800), (3, 27079200), (4, 20309400), (5, 16247520), (6, 13539600), (8, 10154700), (9, 9026400), (10, 8123760), (12, 6769800), (15, 5415840), (16, 5077350), (18, 4513200), (20, 4061880), (24, 3384900), (25, 3249504), (27, 3008800), (30, 2707920), (32, 2538675), (36, 2256600), (40, 2030940), (45, 1805280), (48, 1692450), (50, 1624752), (54, 1504400), (60, 1353960), (72, 1128300), (75, 1083168), (80, 1015470), (90, 902640), (96, 846225), (100, 812376), (108, 752200), (120, 676980), (135, 601760), (144, 564150), (150, 541584), (160, 507735), (180, 451320), (200, 406188), (216, 376100), (225, 361056), (240, 338490), (270, 300880), (288, 282075), (300, 270792), (360, 225660), (400, 203094), (432, 188050), (450, 180528), (480, 169245), (540, 150440), (600, 135396), (675, 120352), (720, 112830), (800, 101547), (864, 94025), (900, 90264), (1080, 75220), (1200, 67698), (1350, 60176), (1440, 56415), (1800, 45132), (2160, 37610), (2400, 33849), (2700, 30088), (3600, 22566), (3761, 21600), (4320, 18805), (5400, 15044), (7200, 11283), (7522, 10800)]