163947520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 176

約数和(自身を含む): 445689216

約数和(自身を除く): 281741696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 71, 80, 82, 88, 110, 128, 142, 160, 164, 176, 205, 220, 256, 284, 320, 328, 352, 355, 410, 440, 451, 512, 568, 640, 656, 704, 710, 781, 820, 880, 902, 1024, 1136, 1280, 1312, 1408, 1420, 1562, 1640, 1760, 1804, 2255, 2272, 2560, 2624, 2816, 2840, 2911, 3124, 3280, 3520, 3608, 3905, 4510, 4544, 5120, 5248, 5632, 5680, 5822, 6248, 6560, 7040, 7216, 7810, 9020, 9088, 10496, 11264, 11360, 11644, 12496, 13120, 14080, 14432, 14555, 15620, 18040, 18176, 20992, 22720, 23288, 24992, 26240, 28160, 28864, 29110, 31240, 32021, 36080, 36352, 41984, 45440, 46576, 49984, 52480, 56320, 57728, 58220, 62480, 64042, 72160, 72704, 90880, 93152, 99968, 104960, 115456, 116440, 124960, 128084, 144320, 160105, 181760, 186304, 199936, 209920, 230912, 232880, 249920, 256168, 288640, 320210, 363520, 372608, 399872, 461824, 465760, 499840, 512336, 577280, 640420, 745216, 799744, 931520, 999680, 1024672, 1154560, 1280840, 1490432, 1863040, 1999360, 2049344, 2309120, 2561680, 2980864, 3726080, 3998720, 4098688, 5123360, 7452160, 8197376, 10246720, 14904320, 16394752, 20493440, 32789504, 40986880, 81973760, 163947520]

約数ペア:

[(1, 163947520), (2, 81973760), (4, 40986880), (5, 32789504), (8, 20493440), (10, 16394752), (11, 14904320), (16, 10246720), (20, 8197376), (22, 7452160), (32, 5123360), (40, 4098688), (41, 3998720), (44, 3726080), (55, 2980864), (64, 2561680), (71, 2309120), (80, 2049344), (82, 1999360), (88, 1863040), (110, 1490432), (128, 1280840), (142, 1154560), (160, 1024672), (164, 999680), (176, 931520), (205, 799744), (220, 745216), (256, 640420), (284, 577280), (320, 512336), (328, 499840), (352, 465760), (355, 461824), (410, 399872), (440, 372608), (451, 363520), (512, 320210), (568, 288640), (640, 256168), (656, 249920), (704, 232880), (710, 230912), (781, 209920), (820, 199936), (880, 186304), (902, 181760), (1024, 160105), (1136, 144320), (1280, 128084), (1312, 124960), (1408, 116440), (1420, 115456), (1562, 104960), (1640, 99968), (1760, 93152), (1804, 90880), (2255, 72704), (2272, 72160), (2560, 64042), (2624, 62480), (2816, 58220), (2840, 57728), (2911, 56320), (3124, 52480), (3280, 49984), (3520, 46576), (3608, 45440), (3905, 41984), (4510, 36352), (4544, 36080), (5120, 32021), (5248, 31240), (5632, 29110), (5680, 28864), (5822, 28160), (6248, 26240), (6560, 24992), (7040, 23288), (7216, 22720), (7810, 20992), (9020, 18176), (9088, 18040), (10496, 15620), (11264, 14555), (11360, 14432), (11644, 14080), (12496, 13120)]