1293040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2309}}^1$

素因数の和:2329

約数の個数: 40

約数和(自身を含む): 3437280

約数和(自身を除く): 2144240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2309, 4618, 9236, 11545, 16163, 18472, 23090, 32326, 36944, 46180, 64652, 80815, 92360, 129304, 161630, 184720, 258608, 323260, 646520, 1293040]

約数ペア:

[(1, 1293040), (2, 646520), (4, 323260), (5, 258608), (7, 184720), (8, 161630), (10, 129304), (14, 92360), (16, 80815), (20, 64652), (28, 46180), (35, 36944), (40, 32326), (56, 23090), (70, 18472), (80, 16163), (112, 11545), (140, 9236), (280, 4618), (560, 2309)]