260664320

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 132

約数和(自身を含む): 728076960

約数和(自身を除く): 467412640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1039, 1120, 1280, 1568, 1792, 1960, 2078, 2240, 2560, 3136, 3584, 3920, 4156, 4480, 5120, 5195, 6272, 7168, 7273, 7840, 8312, 8960, 10390, 12544, 14546, 15680, 16624, 17920, 20780, 25088, 29092, 31360, 33248, 35840, 36365, 41560, 50176, 50911, 58184, 62720, 66496, 72730, 83120, 101822, 116368, 125440, 132992, 145460, 166240, 203644, 232736, 250880, 254555, 265984, 290920, 332480, 407288, 465472, 509110, 531968, 581840, 664960, 814576, 930944, 1018220, 1063936, 1163680, 1329920, 1629152, 1861888, 2036440, 2327360, 2659840, 3258304, 3723776, 4072880, 4654720, 5319680, 6516608, 7447552, 8145760, 9309440, 13033216, 16291520, 18618880, 26066432, 32583040, 37237760, 52132864, 65166080, 130332160, 260664320]

約数ペア:

[(1, 260664320), (2, 130332160), (4, 65166080), (5, 52132864), (7, 37237760), (8, 32583040), (10, 26066432), (14, 18618880), (16, 16291520), (20, 13033216), (28, 9309440), (32, 8145760), (35, 7447552), (40, 6516608), (49, 5319680), (56, 4654720), (64, 4072880), (70, 3723776), (80, 3258304), (98, 2659840), (112, 2327360), (128, 2036440), (140, 1861888), (160, 1629152), (196, 1329920), (224, 1163680), (245, 1063936), (256, 1018220), (280, 930944), (320, 814576), (392, 664960), (448, 581840), (490, 531968), (512, 509110), (560, 465472), (640, 407288), (784, 332480), (896, 290920), (980, 265984), (1024, 254555), (1039, 250880), (1120, 232736), (1280, 203644), (1568, 166240), (1792, 145460), (1960, 132992), (2078, 125440), (2240, 116368), (2560, 101822), (3136, 83120), (3584, 72730), (3920, 66496), (4156, 62720), (4480, 58184), (5120, 50911), (5195, 50176), (6272, 41560), (7168, 36365), (7273, 35840), (7840, 33248), (8312, 31360), (8960, 29092), (10390, 25088), (12544, 20780), (14546, 17920), (15680, 16624)]