1996620800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3391}}^1$

素因数の和:3444

約数の個数: 132

約数和(自身を含む): 5165907456

約数和(自身を除く): 3169286656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 256, 320, 368, 400, 460, 512, 575, 640, 736, 800, 920, 1024, 1150, 1280, 1472, 1600, 1840, 2300, 2560, 2944, 3200, 3391, 3680, 4600, 5120, 5888, 6400, 6782, 7360, 9200, 11776, 12800, 13564, 14720, 16955, 18400, 23552, 25600, 27128, 29440, 33910, 36800, 54256, 58880, 67820, 73600, 77993, 84775, 108512, 117760, 135640, 147200, 155986, 169550, 217024, 271280, 294400, 311972, 339100, 389965, 434048, 542560, 588800, 623944, 678200, 779930, 868096, 1085120, 1247888, 1356400, 1559860, 1736192, 1949825, 2170240, 2495776, 2712800, 3119720, 3472384, 3899650, 4340480, 4991552, 5425600, 6239440, 7799300, 8680960, 9983104, 10851200, 12478880, 15598600, 17361920, 19966208, 21702400, 24957760, 31197200, 39932416, 43404800, 49915520, 62394400, 79864832, 86809600, 99831040, 124788800, 199662080, 249577600, 399324160, 499155200, 998310400, 1996620800]

約数ペア:

[(1, 1996620800), (2, 998310400), (4, 499155200), (5, 399324160), (8, 249577600), (10, 199662080), (16, 124788800), (20, 99831040), (23, 86809600), (25, 79864832), (32, 62394400), (40, 49915520), (46, 43404800), (50, 39932416), (64, 31197200), (80, 24957760), (92, 21702400), (100, 19966208), (115, 17361920), (128, 15598600), (160, 12478880), (184, 10851200), (200, 9983104), (230, 8680960), (256, 7799300), (320, 6239440), (368, 5425600), (400, 4991552), (460, 4340480), (512, 3899650), (575, 3472384), (640, 3119720), (736, 2712800), (800, 2495776), (920, 2170240), (1024, 1949825), (1150, 1736192), (1280, 1559860), (1472, 1356400), (1600, 1247888), (1840, 1085120), (2300, 868096), (2560, 779930), (2944, 678200), (3200, 623944), (3391, 588800), (3680, 542560), (4600, 434048), (5120, 389965), (5888, 339100), (6400, 311972), (6782, 294400), (7360, 271280), (9200, 217024), (11776, 169550), (12800, 155986), (13564, 147200), (14720, 135640), (16955, 117760), (18400, 108512), (23552, 84775), (25600, 77993), (27128, 73600), (29440, 67820), (33910, 58880), (36800, 54256)]