261864960

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{4871}}^1$

素因数の和:4904

約数の個数: 160

約数和(自身を含む): 956938752

約数和(自身を除く): 695073792

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, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 4871, 5376, 6720, 7680, 8960, 9742, 10752, 13440, 14613, 17920, 19484, 24355, 26880, 29226, 34097, 38968, 48710, 53760, 58452, 68194, 73065, 77936, 97420, 102291, 116904, 136388, 146130, 155872, 170485, 194840, 204582, 233808, 272776, 292260, 311744, 340970, 389680, 409164, 467616, 511455, 545552, 584520, 623488, 681940, 779360, 818328, 935232, 1022910, 1091104, 1169040, 1246976, 1363880, 1558720, 1636656, 1870464, 2045820, 2182208, 2338080, 2493952, 2727760, 3117440, 3273312, 3740928, 4091640, 4364416, 4676160, 5455520, 6234880, 6546624, 7481856, 8183280, 8728832, 9352320, 10911040, 12469760, 13093248, 16366560, 17457664, 18704640, 21822080, 26186496, 32733120, 37409280, 43644160, 52372992, 65466240, 87288320, 130932480, 261864960]

約数ペア:

[(1, 261864960), (2, 130932480), (3, 87288320), (4, 65466240), (5, 52372992), (6, 43644160), (7, 37409280), (8, 32733120), (10, 26186496), (12, 21822080), (14, 18704640), (15, 17457664), (16, 16366560), (20, 13093248), (21, 12469760), (24, 10911040), (28, 9352320), (30, 8728832), (32, 8183280), (35, 7481856), (40, 6546624), (42, 6234880), (48, 5455520), (56, 4676160), (60, 4364416), (64, 4091640), (70, 3740928), (80, 3273312), (84, 3117440), (96, 2727760), (105, 2493952), (112, 2338080), (120, 2182208), (128, 2045820), (140, 1870464), (160, 1636656), (168, 1558720), (192, 1363880), (210, 1246976), (224, 1169040), (240, 1091104), (256, 1022910), (280, 935232), (320, 818328), (336, 779360), (384, 681940), (420, 623488), (448, 584520), (480, 545552), (512, 511455), (560, 467616), (640, 409164), (672, 389680), (768, 340970), (840, 311744), (896, 292260), (960, 272776), (1120, 233808), (1280, 204582), (1344, 194840), (1536, 170485), (1680, 155872), (1792, 146130), (1920, 136388), (2240, 116904), (2560, 102291), (2688, 97420), (3360, 77936), (3584, 73065), (3840, 68194), (4480, 58452), (4871, 53760), (5376, 48710), (6720, 38968), (7680, 34097), (8960, 29226), (9742, 26880), (10752, 24355), (13440, 19484), (14613, 17920)]