891009280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 2454762240

約数和(自身を除く): 1563752960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 277, 280, 320, 359, 448, 554, 560, 640, 718, 896, 1108, 1120, 1280, 1385, 1436, 1792, 1795, 1939, 2216, 2240, 2513, 2770, 2872, 3590, 3878, 4432, 4480, 5026, 5540, 5744, 7180, 7756, 8864, 8960, 9695, 10052, 11080, 11488, 12565, 14360, 15512, 17728, 19390, 20104, 22160, 22976, 25130, 28720, 31024, 35456, 38780, 40208, 44320, 45952, 50260, 57440, 62048, 70912, 77560, 80416, 88640, 91904, 99443, 100520, 114880, 124096, 155120, 160832, 177280, 198886, 201040, 229760, 248192, 310240, 321664, 354560, 397772, 402080, 459520, 496384, 497215, 620480, 643328, 696101, 795544, 804160, 994430, 1240960, 1392202, 1591088, 1608320, 1988860, 2481920, 2784404, 3182176, 3216640, 3480505, 3977720, 5568808, 6364352, 6961010, 7955440, 11137616, 12728704, 13922020, 15910880, 22275232, 25457408, 27844040, 31821760, 44550464, 55688080, 63643520, 89100928, 111376160, 127287040, 178201856, 222752320, 445504640, 891009280]

約数ペア:

[(1, 891009280), (2, 445504640), (4, 222752320), (5, 178201856), (7, 127287040), (8, 111376160), (10, 89100928), (14, 63643520), (16, 55688080), (20, 44550464), (28, 31821760), (32, 27844040), (35, 25457408), (40, 22275232), (56, 15910880), (64, 13922020), (70, 12728704), (80, 11137616), (112, 7955440), (128, 6961010), (140, 6364352), (160, 5568808), (224, 3977720), (256, 3480505), (277, 3216640), (280, 3182176), (320, 2784404), (359, 2481920), (448, 1988860), (554, 1608320), (560, 1591088), (640, 1392202), (718, 1240960), (896, 994430), (1108, 804160), (1120, 795544), (1280, 696101), (1385, 643328), (1436, 620480), (1792, 497215), (1795, 496384), (1939, 459520), (2216, 402080), (2240, 397772), (2513, 354560), (2770, 321664), (2872, 310240), (3590, 248192), (3878, 229760), (4432, 201040), (4480, 198886), (5026, 177280), (5540, 160832), (5744, 155120), (7180, 124096), (7756, 114880), (8864, 100520), (8960, 99443), (9695, 91904), (10052, 88640), (11080, 80416), (11488, 77560), (12565, 70912), (14360, 62048), (15512, 57440), (17728, 50260), (19390, 45952), (20104, 44320), (22160, 40208), (22976, 38780), (25130, 35456), (28720, 31024)]