81630080

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 240699600

約数和(自身を除く): 159069520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 137, 140, 152, 160, 190, 196, 224, 245, 266, 274, 280, 304, 320, 380, 392, 448, 490, 532, 548, 560, 608, 640, 665, 685, 760, 784, 896, 931, 959, 980, 1064, 1096, 1120, 1216, 1330, 1370, 1520, 1568, 1862, 1918, 1960, 2128, 2192, 2240, 2432, 2603, 2660, 2740, 3040, 3136, 3724, 3836, 3920, 4256, 4384, 4480, 4655, 4795, 5206, 5320, 5480, 6080, 6272, 6713, 7448, 7672, 7840, 8512, 8768, 9310, 9590, 10412, 10640, 10960, 12160, 13015, 13426, 14896, 15344, 15680, 17024, 17536, 18221, 18620, 19180, 20824, 21280, 21920, 26030, 26852, 29792, 30688, 31360, 33565, 36442, 37240, 38360, 41648, 42560, 43840, 52060, 53704, 59584, 61376, 67130, 72884, 74480, 76720, 83296, 85120, 87680, 91105, 104120, 107408, 119168, 122752, 127547, 134260, 145768, 148960, 153440, 166592, 182210, 208240, 214816, 255094, 268520, 291536, 297920, 306880, 333184, 364420, 416480, 429632, 510188, 537040, 583072, 595840, 613760, 637735, 728840, 832960, 859264, 1020376, 1074080, 1166144, 1275470, 1457680, 1665920, 2040752, 2148160, 2332288, 2550940, 2915360, 4081504, 4296320, 5101880, 5830720, 8163008, 10203760, 11661440, 16326016, 20407520, 40815040, 81630080]

約数ペア:

[(1, 81630080), (2, 40815040), (4, 20407520), (5, 16326016), (7, 11661440), (8, 10203760), (10, 8163008), (14, 5830720), (16, 5101880), (19, 4296320), (20, 4081504), (28, 2915360), (32, 2550940), (35, 2332288), (38, 2148160), (40, 2040752), (49, 1665920), (56, 1457680), (64, 1275470), (70, 1166144), (76, 1074080), (80, 1020376), (95, 859264), (98, 832960), (112, 728840), (128, 637735), (133, 613760), (137, 595840), (140, 583072), (152, 537040), (160, 510188), (190, 429632), (196, 416480), (224, 364420), (245, 333184), (266, 306880), (274, 297920), (280, 291536), (304, 268520), (320, 255094), (380, 214816), (392, 208240), (448, 182210), (490, 166592), (532, 153440), (548, 148960), (560, 145768), (608, 134260), (640, 127547), (665, 122752), (685, 119168), (760, 107408), (784, 104120), (896, 91105), (931, 87680), (959, 85120), (980, 83296), (1064, 76720), (1096, 74480), (1120, 72884), (1216, 67130), (1330, 61376), (1370, 59584), (1520, 53704), (1568, 52060), (1862, 43840), (1918, 42560), (1960, 41648), (2128, 38360), (2192, 37240), (2240, 36442), (2432, 33565), (2603, 31360), (2660, 30688), (2740, 29792), (3040, 26852), (3136, 26030), (3724, 21920), (3836, 21280), (3920, 20824), (4256, 19180), (4384, 18620), (4480, 18221), (4655, 17536), (4795, 17024), (5206, 15680), (5320, 15344), (5480, 14896), (6080, 13426), (6272, 13015), (6713, 12160), (7448, 10960), (7672, 10640), (7840, 10412), (8512, 9590), (8768, 9310)]