76872880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137273}}^1$

素因数の和:137293

約数の個数: 40

約数和(自身を含む): 204263712

約数和(自身を除く): 127390832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 137273, 274546, 549092, 686365, 960911, 1098184, 1372730, 1921822, 2196368, 2745460, 3843644, 4804555, 5490920, 7687288, 9609110, 10981840, 15374576, 19218220, 38436440, 76872880]

約数ペア:

[(1, 76872880), (2, 38436440), (4, 19218220), (5, 15374576), (7, 10981840), (8, 9609110), (10, 7687288), (14, 5490920), (16, 4804555), (20, 3843644), (28, 2745460), (35, 2196368), (40, 1921822), (56, 1372730), (70, 1098184), (80, 960911), (112, 686365), (140, 549092), (280, 274546), (560, 137273)]