81137280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{6037}}^1$

素因数の和:6066

約数の個数: 128

約数和(自身を含む): 295620480

約数和(自身を除く): 214483200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6037, 6720, 12074, 13440, 18111, 24148, 30185, 36222, 42259, 48296, 60370, 72444, 84518, 90555, 96592, 120740, 126777, 144888, 169036, 181110, 193184, 211295, 241480, 253554, 289776, 338072, 362220, 386368, 422590, 482960, 507108, 579552, 633885, 676144, 724440, 772736, 845180, 965920, 1014216, 1159104, 1267770, 1352288, 1448880, 1690360, 1931840, 2028432, 2318208, 2535540, 2704576, 2897760, 3380720, 3863680, 4056864, 5071080, 5409152, 5795520, 6761440, 8113728, 10142160, 11591040, 13522880, 16227456, 20284320, 27045760, 40568640, 81137280]

約数ペア:

[(1, 81137280), (2, 40568640), (3, 27045760), (4, 20284320), (5, 16227456), (6, 13522880), (7, 11591040), (8, 10142160), (10, 8113728), (12, 6761440), (14, 5795520), (15, 5409152), (16, 5071080), (20, 4056864), (21, 3863680), (24, 3380720), (28, 2897760), (30, 2704576), (32, 2535540), (35, 2318208), (40, 2028432), (42, 1931840), (48, 1690360), (56, 1448880), (60, 1352288), (64, 1267770), (70, 1159104), (80, 1014216), (84, 965920), (96, 845180), (105, 772736), (112, 724440), (120, 676144), (128, 633885), (140, 579552), (160, 507108), (168, 482960), (192, 422590), (210, 386368), (224, 362220), (240, 338072), (280, 289776), (320, 253554), (336, 241480), (384, 211295), (420, 193184), (448, 181110), (480, 169036), (560, 144888), (640, 126777), (672, 120740), (840, 96592), (896, 90555), (960, 84518), (1120, 72444), (1344, 60370), (1680, 48296), (1920, 42259), (2240, 36222), (2688, 30185), (3360, 24148), (4480, 18111), (6037, 13440), (6720, 12074)]