171121720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7937}}^1$

素因数の和:7973

約数の個数: 96

約数和(自身を含む): 488663280

約数和(自身を除く): 317541560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 7937, 10780, 15874, 21560, 31748, 39685, 55559, 63496, 79370, 87307, 111118, 158740, 174614, 222236, 277795, 317480, 349228, 388913, 436535, 444472, 555590, 611149, 698456, 777826, 873070, 1111180, 1222298, 1555652, 1746140, 1944565, 2222360, 2444596, 3055745, 3111304, 3492280, 3889130, 4278043, 4889192, 6111490, 7778260, 8556086, 12222980, 15556520, 17112172, 21390215, 24445960, 34224344, 42780430, 85560860, 171121720]

約数ペア:

[(1, 171121720), (2, 85560860), (4, 42780430), (5, 34224344), (7, 24445960), (8, 21390215), (10, 17112172), (11, 15556520), (14, 12222980), (20, 8556086), (22, 7778260), (28, 6111490), (35, 4889192), (40, 4278043), (44, 3889130), (49, 3492280), (55, 3111304), (56, 3055745), (70, 2444596), (77, 2222360), (88, 1944565), (98, 1746140), (110, 1555652), (140, 1222298), (154, 1111180), (196, 873070), (220, 777826), (245, 698456), (280, 611149), (308, 555590), (385, 444472), (392, 436535), (440, 388913), (490, 349228), (539, 317480), (616, 277795), (770, 222236), (980, 174614), (1078, 158740), (1540, 111118), (1960, 87307), (2156, 79370), (2695, 63496), (3080, 55559), (4312, 39685), (5390, 31748), (7937, 21560), (10780, 15874)]