156968840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1277}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 404870400

約数和(自身を除く): 247901560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1277, 1756, 2195, 2554, 3073, 3512, 4390, 5108, 6146, 6385, 8780, 8939, 10216, 12292, 12770, 15365, 17560, 17878, 24584, 25540, 30730, 35756, 44695, 51080, 61460, 71512, 89390, 122920, 178780, 357560, 560603, 1121206, 2242412, 2803015, 3924221, 4484824, 5606030, 7848442, 11212060, 15696884, 19621105, 22424120, 31393768, 39242210, 78484420, 156968840]

約数ペア:

[(1, 156968840), (2, 78484420), (4, 39242210), (5, 31393768), (7, 22424120), (8, 19621105), (10, 15696884), (14, 11212060), (20, 7848442), (28, 5606030), (35, 4484824), (40, 3924221), (56, 2803015), (70, 2242412), (140, 1121206), (280, 560603), (439, 357560), (878, 178780), (1277, 122920), (1756, 89390), (2195, 71512), (2554, 61460), (3073, 51080), (3512, 44695), (4390, 35756), (5108, 30730), (6146, 25540), (6385, 24584), (8780, 17878), (8939, 17560), (10216, 15365), (12292, 12770)]