1640325120

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 224

約数和(自身を含む): 6001682688

約数和(自身を除く): 4361357568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1907, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3814, 3840, 4096, 4480, 5120, 5376, 5721, 6144, 6720, 7168, 7628, 7680, 8192, 8960, 9535, 10240, 10752, 11442, 12288, 13349, 13440, 14336, 15256, 15360, 17920, 19070, 20480, 21504, 22884, 24576, 26698, 26880, 28605, 28672, 30512, 30720, 35840, 38140, 40047, 40960, 43008, 45768, 53396, 53760, 57210, 57344, 61024, 61440, 66745, 71680, 76280, 80094, 86016, 91536, 106792, 107520, 114420, 122048, 122880, 133490, 143360, 152560, 160188, 172032, 183072, 200235, 213584, 215040, 228840, 244096, 266980, 286720, 305120, 320376, 366144, 400470, 427168, 430080, 457680, 488192, 533960, 610240, 640752, 732288, 800940, 854336, 860160, 915360, 976384, 1067920, 1220480, 1281504, 1464576, 1601880, 1708672, 1830720, 1952768, 2135840, 2440960, 2563008, 2929152, 3203760, 3417344, 3661440, 3905536, 4271680, 4881920, 5126016, 5858304, 6407520, 6834688, 7322880, 7811072, 8543360, 9763840, 10252032, 11716608, 12815040, 13669376, 14645760, 15622144, 17086720, 19527680, 20504064, 23433216, 25630080, 27338752, 29291520, 34173440, 39055360, 41008128, 46866432, 51260160, 54677504, 58583040, 68346880, 78110720, 82016256, 102520320, 109355008, 117166080, 136693760, 164032512, 205040640, 234332160, 273387520, 328065024, 410081280, 546775040, 820162560, 1640325120]

約数ペア:

[(1, 1640325120), (2, 820162560), (3, 546775040), (4, 410081280), (5, 328065024), (6, 273387520), (7, 234332160), (8, 205040640), (10, 164032512), (12, 136693760), (14, 117166080), (15, 109355008), (16, 102520320), (20, 82016256), (21, 78110720), (24, 68346880), (28, 58583040), (30, 54677504), (32, 51260160), (35, 46866432), (40, 41008128), (42, 39055360), (48, 34173440), (56, 29291520), (60, 27338752), (64, 25630080), (70, 23433216), (80, 20504064), (84, 19527680), (96, 17086720), (105, 15622144), (112, 14645760), (120, 13669376), (128, 12815040), (140, 11716608), (160, 10252032), (168, 9763840), (192, 8543360), (210, 7811072), (224, 7322880), (240, 6834688), (256, 6407520), (280, 5858304), (320, 5126016), (336, 4881920), (384, 4271680), (420, 3905536), (448, 3661440), (480, 3417344), (512, 3203760), (560, 2929152), (640, 2563008), (672, 2440960), (768, 2135840), (840, 1952768), (896, 1830720), (960, 1708672), (1024, 1601880), (1120, 1464576), (1280, 1281504), (1344, 1220480), (1536, 1067920), (1680, 976384), (1792, 915360), (1907, 860160), (1920, 854336), (2048, 800940), (2240, 732288), (2560, 640752), (2688, 610240), (3072, 533960), (3360, 488192), (3584, 457680), (3814, 430080), (3840, 427168), (4096, 400470), (4480, 366144), (5120, 320376), (5376, 305120), (5721, 286720), (6144, 266980), (6720, 244096), (7168, 228840), (7628, 215040), (7680, 213584), (8192, 200235), (8960, 183072), (9535, 172032), (10240, 160188), (10752, 152560), (11442, 143360), (12288, 133490), (13349, 122880), (13440, 122048), (14336, 114420), (15256, 107520), (15360, 106792), (17920, 91536), (19070, 86016), (20480, 80094), (21504, 76280), (22884, 71680), (24576, 66745), (26698, 61440), (26880, 61024), (28605, 57344), (28672, 57210), (30512, 53760), (30720, 53396), (35840, 45768), (38140, 43008), (40047, 40960)]