666531840

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 192

約数和(自身を含む): 2297786400

約数和(自身を除く): 1631254560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1536, 1560, 1664, 1669, 1920, 2048, 2080, 2496, 2560, 3072, 3120, 3328, 3338, 3840, 4160, 4992, 5007, 5120, 6144, 6240, 6656, 6676, 7680, 8320, 8345, 9984, 10014, 10240, 12480, 13312, 13352, 15360, 16640, 16690, 19968, 20028, 21697, 24960, 25035, 26624, 26704, 30720, 33280, 33380, 39936, 40056, 43394, 49920, 50070, 53408, 65091, 66560, 66760, 79872, 80112, 86788, 99840, 100140, 106816, 108485, 130182, 133120, 133520, 160224, 173576, 199680, 200280, 213632, 216970, 260364, 267040, 320448, 325455, 347152, 399360, 400560, 427264, 433940, 520728, 534080, 640896, 650910, 694304, 801120, 854528, 867880, 1041456, 1068160, 1281792, 1301820, 1388608, 1602240, 1709056, 1735760, 2082912, 2136320, 2563584, 2603640, 2777216, 3204480, 3418112, 3471520, 4165824, 4272640, 5127168, 5207280, 5554432, 6408960, 6943040, 8331648, 8545280, 10254336, 10414560, 11108864, 12817920, 13886080, 16663296, 17090560, 20829120, 22217728, 25635840, 27772160, 33326592, 41658240, 44435456, 51271680, 55544320, 66653184, 83316480, 111088640, 133306368, 166632960, 222177280, 333265920, 666531840]

約数ペア:

[(1, 666531840), (2, 333265920), (3, 222177280), (4, 166632960), (5, 133306368), (6, 111088640), (8, 83316480), (10, 66653184), (12, 55544320), (13, 51271680), (15, 44435456), (16, 41658240), (20, 33326592), (24, 27772160), (26, 25635840), (30, 22217728), (32, 20829120), (39, 17090560), (40, 16663296), (48, 13886080), (52, 12817920), (60, 11108864), (64, 10414560), (65, 10254336), (78, 8545280), (80, 8331648), (96, 6943040), (104, 6408960), (120, 5554432), (128, 5207280), (130, 5127168), (156, 4272640), (160, 4165824), (192, 3471520), (195, 3418112), (208, 3204480), (240, 2777216), (256, 2603640), (260, 2563584), (312, 2136320), (320, 2082912), (384, 1735760), (390, 1709056), (416, 1602240), (480, 1388608), (512, 1301820), (520, 1281792), (624, 1068160), (640, 1041456), (768, 867880), (780, 854528), (832, 801120), (960, 694304), (1024, 650910), (1040, 640896), (1248, 534080), (1280, 520728), (1536, 433940), (1560, 427264), (1664, 400560), (1669, 399360), (1920, 347152), (2048, 325455), (2080, 320448), (2496, 267040), (2560, 260364), (3072, 216970), (3120, 213632), (3328, 200280), (3338, 199680), (3840, 173576), (4160, 160224), (4992, 133520), (5007, 133120), (5120, 130182), (6144, 108485), (6240, 106816), (6656, 100140), (6676, 99840), (7680, 86788), (8320, 80112), (8345, 79872), (9984, 66760), (10014, 66560), (10240, 65091), (12480, 53408), (13312, 50070), (13352, 49920), (15360, 43394), (16640, 40056), (16690, 39936), (19968, 33380), (20028, 33280), (21697, 30720), (24960, 26704), (25035, 26624)]