15746140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 18848420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 233, 310, 436, 466, 545, 620, 932, 1090, 1165, 2180, 2330, 3379, 4660, 6758, 7223, 13516, 14446, 16895, 25397, 28892, 33790, 36115, 50794, 67580, 72230, 101588, 126985, 144460, 253970, 507940, 787307, 1574614, 3149228, 3936535, 7873070, 15746140]

約数ペア:

[(1, 15746140), (2, 7873070), (4, 3936535), (5, 3149228), (10, 1574614), (20, 787307), (31, 507940), (62, 253970), (109, 144460), (124, 126985), (155, 101588), (218, 72230), (233, 67580), (310, 50794), (436, 36115), (466, 33790), (545, 28892), (620, 25397), (932, 16895), (1090, 14446), (1165, 13516), (2180, 7223), (2330, 6758), (3379, 4660)]