55926540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 170810640

約数和(自身を除く): 114884100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 1979, 2355, 2826, 3140, 3958, 4710, 5652, 5937, 7065, 7916, 9420, 9895, 11874, 14130, 17811, 19790, 23748, 28260, 29685, 35622, 39580, 59370, 71244, 89055, 118740, 178110, 310703, 356220, 621406, 932109, 1242812, 1553515, 1864218, 2796327, 3107030, 3728436, 4660545, 5592654, 6214060, 9321090, 11185308, 13981635, 18642180, 27963270, 55926540]

約数ペア:

[(1, 55926540), (2, 27963270), (3, 18642180), (4, 13981635), (5, 11185308), (6, 9321090), (9, 6214060), (10, 5592654), (12, 4660545), (15, 3728436), (18, 3107030), (20, 2796327), (30, 1864218), (36, 1553515), (45, 1242812), (60, 932109), (90, 621406), (157, 356220), (180, 310703), (314, 178110), (471, 118740), (628, 89055), (785, 71244), (942, 59370), (1413, 39580), (1570, 35622), (1884, 29685), (1979, 28260), (2355, 23748), (2826, 19790), (3140, 17811), (3958, 14130), (4710, 11874), (5652, 9895), (5937, 9420), (7065, 7916)]