810280240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:891

約数の個数: 160

約数和(自身を含む): 2364134400

約数和(自身を除く): 1553854160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 199, 220, 280, 308, 385, 398, 440, 560, 616, 661, 770, 796, 880, 995, 1232, 1322, 1393, 1540, 1592, 1990, 2189, 2644, 2786, 3080, 3184, 3305, 3980, 4378, 4627, 5288, 5572, 6160, 6610, 6965, 7271, 7960, 8756, 9254, 10576, 10945, 11144, 13220, 13930, 14542, 15323, 15920, 17512, 18508, 21890, 22288, 23135, 26440, 27860, 29084, 30646, 35024, 36355, 37016, 43780, 46270, 50897, 52880, 55720, 58168, 61292, 72710, 74032, 76615, 87560, 92540, 101794, 111440, 116336, 122584, 131539, 145420, 153230, 175120, 185080, 203588, 245168, 254485, 263078, 290840, 306460, 370160, 407176, 508970, 526156, 581680, 612920, 657695, 814352, 920773, 1017940, 1052312, 1225840, 1315390, 1446929, 1841546, 2035880, 2104624, 2630780, 2893858, 3683092, 4071760, 4603865, 5261560, 5787716, 7234645, 7366184, 9207730, 10128503, 10523120, 11575432, 14469290, 14732368, 18415460, 20257006, 23150864, 28938580, 36830920, 40514012, 50642515, 57877160, 73661840, 81028024, 101285030, 115754320, 162056048, 202570060, 405140120, 810280240]

約数ペア:

[(1, 810280240), (2, 405140120), (4, 202570060), (5, 162056048), (7, 115754320), (8, 101285030), (10, 81028024), (11, 73661840), (14, 57877160), (16, 50642515), (20, 40514012), (22, 36830920), (28, 28938580), (35, 23150864), (40, 20257006), (44, 18415460), (55, 14732368), (56, 14469290), (70, 11575432), (77, 10523120), (80, 10128503), (88, 9207730), (110, 7366184), (112, 7234645), (140, 5787716), (154, 5261560), (176, 4603865), (199, 4071760), (220, 3683092), (280, 2893858), (308, 2630780), (385, 2104624), (398, 2035880), (440, 1841546), (560, 1446929), (616, 1315390), (661, 1225840), (770, 1052312), (796, 1017940), (880, 920773), (995, 814352), (1232, 657695), (1322, 612920), (1393, 581680), (1540, 526156), (1592, 508970), (1990, 407176), (2189, 370160), (2644, 306460), (2786, 290840), (3080, 263078), (3184, 254485), (3305, 245168), (3980, 203588), (4378, 185080), (4627, 175120), (5288, 153230), (5572, 145420), (6160, 131539), (6610, 122584), (6965, 116336), (7271, 111440), (7960, 101794), (8756, 92540), (9254, 87560), (10576, 76615), (10945, 74032), (11144, 72710), (13220, 61292), (13930, 58168), (14542, 55720), (15323, 52880), (15920, 50897), (17512, 46270), (18508, 43780), (21890, 37016), (22288, 36355), (23135, 35024), (26440, 30646), (27860, 29084)]