217681920

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{1181}}^1$

素因数の和:1216

約数の個数: 156

約数和(自身を含む): 755177436

約数和(自身を除く): 537495516

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1181, 1280, 1440, 1536, 1920, 2048, 2304, 2362, 2560, 2880, 3072, 3543, 3840, 4096, 4608, 4724, 5120, 5760, 5905, 6144, 7086, 7680, 9216, 9448, 10240, 10629, 11520, 11810, 12288, 14172, 15360, 17715, 18432, 18896, 20480, 21258, 23040, 23620, 28344, 30720, 35430, 36864, 37792, 42516, 46080, 47240, 53145, 56688, 61440, 70860, 75584, 85032, 92160, 94480, 106290, 113376, 141720, 151168, 170064, 184320, 188960, 212580, 226752, 283440, 302336, 340128, 377920, 425160, 453504, 566880, 604672, 680256, 755840, 850320, 907008, 1133760, 1209344, 1360512, 1511680, 1700640, 1814016, 2267520, 2418688, 2721024, 3023360, 3401280, 3628032, 4535040, 4837376, 5442048, 6046720, 6802560, 7256064, 9070080, 10884096, 12093440, 13605120, 14512128, 18140160, 21768192, 24186880, 27210240, 36280320, 43536384, 54420480, 72560640, 108840960, 217681920]

約数ペア:

[(1, 217681920), (2, 108840960), (3, 72560640), (4, 54420480), (5, 43536384), (6, 36280320), (8, 27210240), (9, 24186880), (10, 21768192), (12, 18140160), (15, 14512128), (16, 13605120), (18, 12093440), (20, 10884096), (24, 9070080), (30, 7256064), (32, 6802560), (36, 6046720), (40, 5442048), (45, 4837376), (48, 4535040), (60, 3628032), (64, 3401280), (72, 3023360), (80, 2721024), (90, 2418688), (96, 2267520), (120, 1814016), (128, 1700640), (144, 1511680), (160, 1360512), (180, 1209344), (192, 1133760), (240, 907008), (256, 850320), (288, 755840), (320, 680256), (360, 604672), (384, 566880), (480, 453504), (512, 425160), (576, 377920), (640, 340128), (720, 302336), (768, 283440), (960, 226752), (1024, 212580), (1152, 188960), (1181, 184320), (1280, 170064), (1440, 151168), (1536, 141720), (1920, 113376), (2048, 106290), (2304, 94480), (2362, 92160), (2560, 85032), (2880, 75584), (3072, 70860), (3543, 61440), (3840, 56688), (4096, 53145), (4608, 47240), (4724, 46080), (5120, 42516), (5760, 37792), (5905, 36864), (6144, 35430), (7086, 30720), (7680, 28344), (9216, 23620), (9448, 23040), (10240, 21258), (10629, 20480), (11520, 18896), (11810, 18432), (12288, 17715), (14172, 15360)]