428789760

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1036

約数の個数: 208

約数和(自身を含む): 1569526656

約数和(自身を除く): 1140736896

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, 997, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 1994, 2048, 2240, 2560, 2688, 2991, 3072, 3360, 3584, 3840, 3988, 4096, 4480, 4985, 5120, 5376, 5982, 6144, 6720, 6979, 7168, 7680, 7976, 8960, 9970, 10240, 10752, 11964, 12288, 13440, 13958, 14336, 14955, 15360, 15952, 17920, 19940, 20480, 20937, 21504, 23928, 26880, 27916, 28672, 29910, 30720, 31904, 34895, 35840, 39880, 41874, 43008, 47856, 53760, 55832, 59820, 61440, 63808, 69790, 71680, 79760, 83748, 86016, 95712, 104685, 107520, 111664, 119640, 127616, 139580, 143360, 159520, 167496, 191424, 209370, 215040, 223328, 239280, 255232, 279160, 319040, 334992, 382848, 418740, 430080, 446656, 478560, 510464, 558320, 638080, 669984, 765696, 837480, 893312, 957120, 1020928, 1116640, 1276160, 1339968, 1531392, 1674960, 1786624, 1914240, 2041856, 2233280, 2552320, 2679936, 3062784, 3349920, 3573248, 3828480, 4083712, 4466560, 5104640, 5359872, 6125568, 6699840, 7146496, 7656960, 8933120, 10209280, 10719744, 12251136, 13399680, 14292992, 15313920, 17866240, 20418560, 21439488, 26799360, 28585984, 30627840, 35732480, 42878976, 53598720, 61255680, 71464960, 85757952, 107197440, 142929920, 214394880, 428789760]

約数ペア:

[(1, 428789760), (2, 214394880), (3, 142929920), (4, 107197440), (5, 85757952), (6, 71464960), (7, 61255680), (8, 53598720), (10, 42878976), (12, 35732480), (14, 30627840), (15, 28585984), (16, 26799360), (20, 21439488), (21, 20418560), (24, 17866240), (28, 15313920), (30, 14292992), (32, 13399680), (35, 12251136), (40, 10719744), (42, 10209280), (48, 8933120), (56, 7656960), (60, 7146496), (64, 6699840), (70, 6125568), (80, 5359872), (84, 5104640), (96, 4466560), (105, 4083712), (112, 3828480), (120, 3573248), (128, 3349920), (140, 3062784), (160, 2679936), (168, 2552320), (192, 2233280), (210, 2041856), (224, 1914240), (240, 1786624), (256, 1674960), (280, 1531392), (320, 1339968), (336, 1276160), (384, 1116640), (420, 1020928), (448, 957120), (480, 893312), (512, 837480), (560, 765696), (640, 669984), (672, 638080), (768, 558320), (840, 510464), (896, 478560), (960, 446656), (997, 430080), (1024, 418740), (1120, 382848), (1280, 334992), (1344, 319040), (1536, 279160), (1680, 255232), (1792, 239280), (1920, 223328), (1994, 215040), (2048, 209370), (2240, 191424), (2560, 167496), (2688, 159520), (2991, 143360), (3072, 139580), (3360, 127616), (3584, 119640), (3840, 111664), (3988, 107520), (4096, 104685), (4480, 95712), (4985, 86016), (5120, 83748), (5376, 79760), (5982, 71680), (6144, 69790), (6720, 63808), (6979, 61440), (7168, 59820), (7680, 55832), (7976, 53760), (8960, 47856), (9970, 43008), (10240, 41874), (10752, 39880), (11964, 35840), (12288, 34895), (13440, 31904), (13958, 30720), (14336, 29910), (14955, 28672), (15360, 27916), (15952, 26880), (17920, 23928), (19940, 21504), (20480, 20937)]