281666560

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 176

約数和(自身を含む): 801768960

約数和(自身を除く): 520102400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 271, 280, 290, 320, 406, 448, 464, 512, 542, 560, 580, 640, 812, 896, 928, 1015, 1024, 1084, 1120, 1160, 1280, 1355, 1624, 1792, 1856, 1897, 2030, 2168, 2240, 2320, 2560, 2710, 3248, 3584, 3712, 3794, 4060, 4336, 4480, 4640, 5120, 5420, 6496, 7168, 7424, 7588, 7859, 8120, 8672, 8960, 9280, 9485, 10840, 12992, 14848, 15176, 15718, 16240, 17344, 17920, 18560, 18970, 21680, 25984, 29696, 30352, 31436, 32480, 34688, 35840, 37120, 37940, 39295, 43360, 51968, 55013, 60704, 62872, 64960, 69376, 74240, 75880, 78590, 86720, 103936, 110026, 121408, 125744, 129920, 138752, 148480, 151760, 157180, 173440, 207872, 220052, 242816, 251488, 259840, 275065, 277504, 303520, 314360, 346880, 440104, 485632, 502976, 519680, 550130, 607040, 628720, 693760, 880208, 971264, 1005952, 1039360, 1100260, 1214080, 1257440, 1387520, 1760416, 1942528, 2011904, 2200520, 2428160, 2514880, 3520832, 4023808, 4401040, 4856320, 5029760, 7041664, 8047616, 8802080, 9712640, 10059520, 14083328, 17604160, 20119040, 28166656, 35208320, 40238080, 56333312, 70416640, 140833280, 281666560]

約数ペア:

[(1, 281666560), (2, 140833280), (4, 70416640), (5, 56333312), (7, 40238080), (8, 35208320), (10, 28166656), (14, 20119040), (16, 17604160), (20, 14083328), (28, 10059520), (29, 9712640), (32, 8802080), (35, 8047616), (40, 7041664), (56, 5029760), (58, 4856320), (64, 4401040), (70, 4023808), (80, 3520832), (112, 2514880), (116, 2428160), (128, 2200520), (140, 2011904), (145, 1942528), (160, 1760416), (203, 1387520), (224, 1257440), (232, 1214080), (256, 1100260), (271, 1039360), (280, 1005952), (290, 971264), (320, 880208), (406, 693760), (448, 628720), (464, 607040), (512, 550130), (542, 519680), (560, 502976), (580, 485632), (640, 440104), (812, 346880), (896, 314360), (928, 303520), (1015, 277504), (1024, 275065), (1084, 259840), (1120, 251488), (1160, 242816), (1280, 220052), (1355, 207872), (1624, 173440), (1792, 157180), (1856, 151760), (1897, 148480), (2030, 138752), (2168, 129920), (2240, 125744), (2320, 121408), (2560, 110026), (2710, 103936), (3248, 86720), (3584, 78590), (3712, 75880), (3794, 74240), (4060, 69376), (4336, 64960), (4480, 62872), (4640, 60704), (5120, 55013), (5420, 51968), (6496, 43360), (7168, 39295), (7424, 37940), (7588, 37120), (7859, 35840), (8120, 34688), (8672, 32480), (8960, 31436), (9280, 30352), (9485, 29696), (10840, 25984), (12992, 21680), (14848, 18970), (15176, 18560), (15718, 17920), (16240, 17344)]