1921952220160

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{213649}}^1$

素因数の和:213932

約数の個数: 176

約数和(自身を含む): 5290083388800

約数和(自身を除く): 3368131168640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 251, 256, 280, 320, 448, 502, 512, 560, 640, 896, 1004, 1024, 1120, 1255, 1280, 1757, 1792, 2008, 2240, 2510, 2560, 3514, 3584, 4016, 4480, 5020, 5120, 7028, 7168, 8032, 8785, 8960, 10040, 14056, 16064, 17570, 17920, 20080, 28112, 32128, 35140, 35840, 40160, 56224, 64256, 70280, 80320, 112448, 128512, 140560, 160640, 213649, 224896, 257024, 281120, 321280, 427298, 449792, 562240, 642560, 854596, 899584, 1068245, 1124480, 1285120, 1495543, 1709192, 1799168, 2136490, 2248960, 2991086, 3418384, 4272980, 4497920, 5982172, 6836768, 7477715, 8545960, 8995840, 11964344, 13673536, 14955430, 17091920, 23928688, 27347072, 29910860, 34183840, 47857376, 53625899, 54694144, 59821720, 68367680, 95714752, 107251798, 109388288, 119643440, 136735360, 191429504, 214503596, 218776576, 239286880, 268129495, 273470720, 375381293, 382859008, 429007192, 478573760, 536258990, 546941440, 750762586, 765718016, 858014384, 957147520, 1072517980, 1093882880, 1501525172, 1531436032, 1716028768, 1876906465, 1914295040, 2145035960, 3003050344, 3432057536, 3753812930, 3828590080, 4290071920, 6006100688, 6864115072, 7507625860, 7657180160, 8580143840, 12012201376, 13728230144, 15015251720, 17160287680, 24024402752, 27456460288, 30030503440, 34320575360, 48048805504, 54912920576, 60061006880, 68641150720, 96097611008, 120122013760, 137282301440, 192195222016, 240244027520, 274564602880, 384390444032, 480488055040, 960976110080, 1921952220160]

約数ペア:

[(1, 1921952220160), (2, 960976110080), (4, 480488055040), (5, 384390444032), (7, 274564602880), (8, 240244027520), (10, 192195222016), (14, 137282301440), (16, 120122013760), (20, 96097611008), (28, 68641150720), (32, 60061006880), (35, 54912920576), (40, 48048805504), (56, 34320575360), (64, 30030503440), (70, 27456460288), (80, 24024402752), (112, 17160287680), (128, 15015251720), (140, 13728230144), (160, 12012201376), (224, 8580143840), (251, 7657180160), (256, 7507625860), (280, 6864115072), (320, 6006100688), (448, 4290071920), (502, 3828590080), (512, 3753812930), (560, 3432057536), (640, 3003050344), (896, 2145035960), (1004, 1914295040), (1024, 1876906465), (1120, 1716028768), (1255, 1531436032), (1280, 1501525172), (1757, 1093882880), (1792, 1072517980), (2008, 957147520), (2240, 858014384), (2510, 765718016), (2560, 750762586), (3514, 546941440), (3584, 536258990), (4016, 478573760), (4480, 429007192), (5020, 382859008), (5120, 375381293), (7028, 273470720), (7168, 268129495), (8032, 239286880), (8785, 218776576), (8960, 214503596), (10040, 191429504), (14056, 136735360), (16064, 119643440), (17570, 109388288), (17920, 107251798), (20080, 95714752), (28112, 68367680), (32128, 59821720), (35140, 54694144), (35840, 53625899), (40160, 47857376), (56224, 34183840), (64256, 29910860), (70280, 27347072), (80320, 23928688), (112448, 17091920), (128512, 14955430), (140560, 13673536), (160640, 11964344), (213649, 8995840), (224896, 8545960), (257024, 7477715), (281120, 6836768), (321280, 5982172), (427298, 4497920), (449792, 4272980), (562240, 3418384), (642560, 2991086), (854596, 2248960), (899584, 2136490), (1068245, 1799168), (1124480, 1709192), (1285120, 1495543)]