68900720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2098

約数の個数: 80

約数和(自身を含む): 186172608

約数和(自身を除く): 117271888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2017, 2135, 2440, 3416, 4034, 4270, 4880, 6832, 8068, 8540, 10085, 14119, 16136, 17080, 20170, 28238, 32272, 34160, 40340, 56476, 70595, 80680, 112952, 123037, 141190, 161360, 225904, 246074, 282380, 492148, 564760, 615185, 861259, 984296, 1129520, 1230370, 1722518, 1968592, 2460740, 3445036, 4306295, 4921480, 6890072, 8612590, 9842960, 13780144, 17225180, 34450360, 68900720]

約数ペア:

[(1, 68900720), (2, 34450360), (4, 17225180), (5, 13780144), (7, 9842960), (8, 8612590), (10, 6890072), (14, 4921480), (16, 4306295), (20, 3445036), (28, 2460740), (35, 1968592), (40, 1722518), (56, 1230370), (61, 1129520), (70, 984296), (80, 861259), (112, 615185), (122, 564760), (140, 492148), (244, 282380), (280, 246074), (305, 225904), (427, 161360), (488, 141190), (560, 123037), (610, 112952), (854, 80680), (976, 70595), (1220, 56476), (1708, 40340), (2017, 34160), (2135, 32272), (2440, 28238), (3416, 20170), (4034, 17080), (4270, 16136), (4880, 14119), (6832, 10085), (8068, 8540)]