2008545280

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{4003}}^1$

素因数の和:4044

約数の個数: 144

約数和(自身を含む): 5607561960

約数和(自身を除く): 3599016680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1960, 2048, 2240, 2560, 3136, 3584, 3920, 4003, 4480, 5120, 6272, 7168, 7840, 8006, 8960, 10240, 12544, 14336, 15680, 16012, 17920, 20015, 25088, 28021, 31360, 32024, 35840, 40030, 50176, 56042, 62720, 64048, 71680, 80060, 100352, 112084, 125440, 128096, 140105, 160120, 196147, 224168, 250880, 256192, 280210, 320240, 392294, 448336, 501760, 512384, 560420, 640480, 784588, 896672, 980735, 1024768, 1120840, 1280960, 1569176, 1793344, 1961470, 2049536, 2241680, 2561920, 3138352, 3586688, 3922940, 4099072, 4483360, 5123840, 6276704, 7173376, 7845880, 8198144, 8966720, 10247680, 12553408, 14346752, 15691760, 17933440, 20495360, 25106816, 28693504, 31383520, 35866880, 40990720, 50213632, 57387008, 62767040, 71733760, 100427264, 125534080, 143467520, 200854528, 251068160, 286935040, 401709056, 502136320, 1004272640, 2008545280]

約数ペア:

[(1, 2008545280), (2, 1004272640), (4, 502136320), (5, 401709056), (7, 286935040), (8, 251068160), (10, 200854528), (14, 143467520), (16, 125534080), (20, 100427264), (28, 71733760), (32, 62767040), (35, 57387008), (40, 50213632), (49, 40990720), (56, 35866880), (64, 31383520), (70, 28693504), (80, 25106816), (98, 20495360), (112, 17933440), (128, 15691760), (140, 14346752), (160, 12553408), (196, 10247680), (224, 8966720), (245, 8198144), (256, 7845880), (280, 7173376), (320, 6276704), (392, 5123840), (448, 4483360), (490, 4099072), (512, 3922940), (560, 3586688), (640, 3138352), (784, 2561920), (896, 2241680), (980, 2049536), (1024, 1961470), (1120, 1793344), (1280, 1569176), (1568, 1280960), (1792, 1120840), (1960, 1024768), (2048, 980735), (2240, 896672), (2560, 784588), (3136, 640480), (3584, 560420), (3920, 512384), (4003, 501760), (4480, 448336), (5120, 392294), (6272, 320240), (7168, 280210), (7840, 256192), (8006, 250880), (8960, 224168), (10240, 196147), (12544, 160120), (14336, 140105), (15680, 128096), (16012, 125440), (17920, 112084), (20015, 100352), (25088, 80060), (28021, 71680), (31360, 64048), (32024, 62720), (35840, 56042), (40030, 50176)]