81516800

素因数分解:

$2^8\times 5^2\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 108

約数和(自身を含む): 206820096

約数和(自身を除く): 125303296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 128, 160, 188, 200, 235, 256, 271, 320, 376, 400, 470, 542, 640, 752, 800, 940, 1084, 1175, 1280, 1355, 1504, 1600, 1880, 2168, 2350, 2710, 3008, 3200, 3760, 4336, 4700, 5420, 6016, 6400, 6775, 7520, 8672, 9400, 10840, 12032, 12737, 13550, 15040, 17344, 18800, 21680, 25474, 27100, 30080, 34688, 37600, 43360, 50948, 54200, 60160, 63685, 69376, 75200, 86720, 101896, 108400, 127370, 150400, 173440, 203792, 216800, 254740, 300800, 318425, 346880, 407584, 433600, 509480, 636850, 815168, 867200, 1018960, 1273700, 1630336, 1734400, 2037920, 2547400, 3260672, 4075840, 5094800, 8151680, 10189600, 16303360, 20379200, 40758400, 81516800]

約数ペア:

[(1, 81516800), (2, 40758400), (4, 20379200), (5, 16303360), (8, 10189600), (10, 8151680), (16, 5094800), (20, 4075840), (25, 3260672), (32, 2547400), (40, 2037920), (47, 1734400), (50, 1630336), (64, 1273700), (80, 1018960), (94, 867200), (100, 815168), (128, 636850), (160, 509480), (188, 433600), (200, 407584), (235, 346880), (256, 318425), (271, 300800), (320, 254740), (376, 216800), (400, 203792), (470, 173440), (542, 150400), (640, 127370), (752, 108400), (800, 101896), (940, 86720), (1084, 75200), (1175, 69376), (1280, 63685), (1355, 60160), (1504, 54200), (1600, 50948), (1880, 43360), (2168, 37600), (2350, 34688), (2710, 30080), (3008, 27100), (3200, 25474), (3760, 21680), (4336, 18800), (4700, 17344), (5420, 15040), (6016, 13550), (6400, 12737), (6775, 12032), (7520, 10840), (8672, 9400)]