810320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1447}}^1$

素因数の和:1467

約数の個数: 40

約数和(自身を含む): 2154624

約数和(自身を除く): 1344304

約数列:

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

約数ペア:

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