1620640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1447}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 4378752

約数和(自身を除く): 2758112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1447, 2894, 5788, 7235, 10129, 11576, 14470, 20258, 23152, 28940, 40516, 46304, 50645, 57880, 81032, 101290, 115760, 162064, 202580, 231520, 324128, 405160, 810320, 1620640]

約数ペア:

[(1, 1620640), (2, 810320), (4, 405160), (5, 324128), (7, 231520), (8, 202580), (10, 162064), (14, 115760), (16, 101290), (20, 81032), (28, 57880), (32, 50645), (35, 46304), (40, 40516), (56, 28940), (70, 23152), (80, 20258), (112, 14470), (140, 11576), (160, 10129), (224, 7235), (280, 5788), (560, 2894), (1120, 1447)]