2656640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{593}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 7270560

約数和(自身を除く): 4613920

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, 280, 320, 448, 560, 593, 640, 896, 1120, 1186, 2240, 2372, 2965, 4151, 4480, 4744, 5930, 8302, 9488, 11860, 16604, 18976, 20755, 23720, 33208, 37952, 41510, 47440, 66416, 75904, 83020, 94880, 132832, 166040, 189760, 265664, 332080, 379520, 531328, 664160, 1328320, 2656640]

約数ペア:

[(1, 2656640), (2, 1328320), (4, 664160), (5, 531328), (7, 379520), (8, 332080), (10, 265664), (14, 189760), (16, 166040), (20, 132832), (28, 94880), (32, 83020), (35, 75904), (40, 66416), (56, 47440), (64, 41510), (70, 37952), (80, 33208), (112, 23720), (128, 20755), (140, 18976), (160, 16604), (224, 11860), (280, 9488), (320, 8302), (448, 5930), (560, 4744), (593, 4480), (640, 4151), (896, 2965), (1120, 2372), (1186, 2240)]