68280520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3167}}^1$

素因数の和:3203

約数の個数: 96

約数和(自身を含む): 195022080

約数和(自身を除く): 126741560

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, 3167, 4312, 5390, 6334, 10780, 12668, 15835, 21560, 22169, 25336, 31670, 34837, 44338, 63340, 69674, 88676, 110845, 126680, 139348, 155183, 174185, 177352, 221690, 243859, 278696, 310366, 348370, 443380, 487718, 620732, 696740, 775915, 886760, 975436, 1219295, 1241464, 1393480, 1551830, 1707013, 1950872, 2438590, 3103660, 3414026, 4877180, 6207320, 6828052, 8535065, 9754360, 13656104, 17070130, 34140260, 68280520]

約数ペア:

[(1, 68280520), (2, 34140260), (4, 17070130), (5, 13656104), (7, 9754360), (8, 8535065), (10, 6828052), (11, 6207320), (14, 4877180), (20, 3414026), (22, 3103660), (28, 2438590), (35, 1950872), (40, 1707013), (44, 1551830), (49, 1393480), (55, 1241464), (56, 1219295), (70, 975436), (77, 886760), (88, 775915), (98, 696740), (110, 620732), (140, 487718), (154, 443380), (196, 348370), (220, 310366), (245, 278696), (280, 243859), (308, 221690), (385, 177352), (392, 174185), (440, 155183), (490, 139348), (539, 126680), (616, 110845), (770, 88676), (980, 69674), (1078, 63340), (1540, 44338), (1960, 34837), (2156, 31670), (2695, 25336), (3080, 22169), (3167, 21560), (4312, 15835), (5390, 12668), (6334, 10780)]