66991760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 171149760

約数和(自身を除く): 104158000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 283, 440, 538, 566, 880, 1076, 1132, 1345, 1415, 2152, 2264, 2690, 2830, 2959, 3113, 4304, 4528, 5380, 5660, 5918, 6226, 10760, 11320, 11836, 12452, 14795, 15565, 21520, 22640, 23672, 24904, 29590, 31130, 47344, 49808, 59180, 62260, 76127, 118360, 124520, 152254, 236720, 249040, 304508, 380635, 609016, 761270, 837397, 1218032, 1522540, 1674794, 3045080, 3349588, 4186985, 6090160, 6699176, 8373970, 13398352, 16747940, 33495880, 66991760]

約数ペア:

[(1, 66991760), (2, 33495880), (4, 16747940), (5, 13398352), (8, 8373970), (10, 6699176), (11, 6090160), (16, 4186985), (20, 3349588), (22, 3045080), (40, 1674794), (44, 1522540), (55, 1218032), (80, 837397), (88, 761270), (110, 609016), (176, 380635), (220, 304508), (269, 249040), (283, 236720), (440, 152254), (538, 124520), (566, 118360), (880, 76127), (1076, 62260), (1132, 59180), (1345, 49808), (1415, 47344), (2152, 31130), (2264, 29590), (2690, 24904), (2830, 23672), (2959, 22640), (3113, 21520), (4304, 15565), (4528, 14795), (5380, 12452), (5660, 11836), (5918, 11320), (6226, 10760)]