91081480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1433}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 235405440

約数和(自身を除く): 144323960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1433, 1589, 1816, 2270, 2866, 3178, 4540, 5732, 6356, 7165, 7945, 9080, 10031, 11464, 12712, 14330, 15890, 20062, 28660, 31780, 40124, 50155, 57320, 63560, 80248, 100310, 200620, 325291, 401240, 650582, 1301164, 1626455, 2277037, 2602328, 3252910, 4554074, 6505820, 9108148, 11385185, 13011640, 18216296, 22770370, 45540740, 91081480]

約数ペア:

[(1, 91081480), (2, 45540740), (4, 22770370), (5, 18216296), (7, 13011640), (8, 11385185), (10, 9108148), (14, 6505820), (20, 4554074), (28, 3252910), (35, 2602328), (40, 2277037), (56, 1626455), (70, 1301164), (140, 650582), (227, 401240), (280, 325291), (454, 200620), (908, 100310), (1135, 80248), (1433, 63560), (1589, 57320), (1816, 50155), (2270, 40124), (2866, 31780), (3178, 28660), (4540, 20062), (5732, 15890), (6356, 14330), (7165, 12712), (7945, 11464), (9080, 10031)]