1681600000

素因数分解:

$2^9\times 5^5\times {\mathrm{1051}}^1$

素因数の和:1094

約数の個数: 120

約数和(自身を含む): 4203621576

約数和(自身を除く): 2522021576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1051, 1250, 1280, 1600, 2000, 2102, 2500, 2560, 3125, 3200, 4000, 4204, 5000, 5255, 6250, 6400, 8000, 8408, 10000, 10510, 12500, 12800, 16000, 16816, 20000, 21020, 25000, 26275, 32000, 33632, 40000, 42040, 50000, 52550, 64000, 67264, 80000, 84080, 100000, 105100, 131375, 134528, 160000, 168160, 200000, 210200, 262750, 269056, 320000, 336320, 400000, 420400, 525500, 538112, 656875, 672640, 800000, 840800, 1051000, 1313750, 1345280, 1600000, 1681600, 2102000, 2627500, 2690560, 3284375, 3363200, 4204000, 5255000, 6568750, 6726400, 8408000, 10510000, 13137500, 13452800, 16816000, 21020000, 26275000, 33632000, 42040000, 52550000, 67264000, 84080000, 105100000, 168160000, 210200000, 336320000, 420400000, 840800000, 1681600000]

約数ペア:

[(1, 1681600000), (2, 840800000), (4, 420400000), (5, 336320000), (8, 210200000), (10, 168160000), (16, 105100000), (20, 84080000), (25, 67264000), (32, 52550000), (40, 42040000), (50, 33632000), (64, 26275000), (80, 21020000), (100, 16816000), (125, 13452800), (128, 13137500), (160, 10510000), (200, 8408000), (250, 6726400), (256, 6568750), (320, 5255000), (400, 4204000), (500, 3363200), (512, 3284375), (625, 2690560), (640, 2627500), (800, 2102000), (1000, 1681600), (1051, 1600000), (1250, 1345280), (1280, 1313750), (1600, 1051000), (2000, 840800), (2102, 800000), (2500, 672640), (2560, 656875), (3125, 538112), (3200, 525500), (4000, 420400), (4204, 400000), (5000, 336320), (5255, 320000), (6250, 269056), (6400, 262750), (8000, 210200), (8408, 200000), (10000, 168160), (10510, 160000), (12500, 134528), (12800, 131375), (16000, 105100), (16816, 100000), (20000, 84080), (21020, 80000), (25000, 67264), (26275, 64000), (32000, 52550), (33632, 50000), (40000, 42040)]