15756440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8039}}^1$

素因数の和:8064

約数の個数: 48

約数和(自身を含む): 41245200

約数和(自身を除く): 25488760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8039, 16078, 32156, 40195, 56273, 64312, 80390, 112546, 160780, 225092, 281365, 321560, 393911, 450184, 562730, 787822, 1125460, 1575644, 1969555, 2250920, 3151288, 3939110, 7878220, 15756440]

約数ペア:

[(1, 15756440), (2, 7878220), (4, 3939110), (5, 3151288), (7, 2250920), (8, 1969555), (10, 1575644), (14, 1125460), (20, 787822), (28, 562730), (35, 450184), (40, 393911), (49, 321560), (56, 281365), (70, 225092), (98, 160780), (140, 112546), (196, 80390), (245, 64312), (280, 56273), (392, 40195), (490, 32156), (980, 16078), (1960, 8039)]