870520815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 1632588048

約数和(自身を除く): 762067233

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 361, 369, 615, 779, 855, 1083, 1307, 1805, 1845, 2337, 3249, 3895, 3921, 5415, 6535, 7011, 11685, 11763, 14801, 16245, 19605, 24833, 35055, 44403, 53587, 58815, 74005, 74499, 124165, 133209, 160761, 222015, 223497, 267935, 372495, 471827, 482283, 666045, 803805, 1018153, 1117485, 1415481, 2359135, 2411415, 3054459, 4246443, 5090765, 7077405, 9163377, 15272295, 19344907, 21232215, 45816885, 58034721, 96724535, 174104163, 290173605, 870520815]

約数ペア:

[(1, 870520815), (3, 290173605), (5, 174104163), (9, 96724535), (15, 58034721), (19, 45816885), (41, 21232215), (45, 19344907), (57, 15272295), (95, 9163377), (123, 7077405), (171, 5090765), (205, 4246443), (285, 3054459), (361, 2411415), (369, 2359135), (615, 1415481), (779, 1117485), (855, 1018153), (1083, 803805), (1307, 666045), (1805, 482283), (1845, 471827), (2337, 372495), (3249, 267935), (3895, 223497), (3921, 222015), (5415, 160761), (6535, 133209), (7011, 124165), (11685, 74499), (11763, 74005), (14801, 58815), (16245, 53587), (19605, 44403), (24833, 35055)]