31512880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{8039}}^1$

素因数の和:8066

約数の個数: 60

約数和(自身を含む): 85240080

約数和(自身を除く): 53727200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 8039, 16078, 32156, 40195, 56273, 64312, 80390, 112546, 128624, 160780, 225092, 281365, 321560, 393911, 450184, 562730, 643120, 787822, 900368, 1125460, 1575644, 1969555, 2250920, 3151288, 3939110, 4501840, 6302576, 7878220, 15756440, 31512880]

約数ペア:

[(1, 31512880), (2, 15756440), (4, 7878220), (5, 6302576), (7, 4501840), (8, 3939110), (10, 3151288), (14, 2250920), (16, 1969555), (20, 1575644), (28, 1125460), (35, 900368), (40, 787822), (49, 643120), (56, 562730), (70, 450184), (80, 393911), (98, 321560), (112, 281365), (140, 225092), (196, 160780), (245, 128624), (280, 112546), (392, 80390), (490, 64312), (560, 56273), (784, 40195), (980, 32156), (1960, 16078), (3920, 8039)]