128509291240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7817}}^1\times {\mathrm{37363}}^1$

素因数の和:45202

約数の個数: 64

約数和(自身を含む): 315480692160

約数和(自身を除く): 186971400920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 7817, 15634, 31268, 37363, 39085, 62536, 74726, 78170, 85987, 149452, 156340, 171974, 186815, 298904, 312680, 343948, 373630, 410993, 429935, 687896, 747260, 821986, 859870, 1494520, 1643972, 1719740, 2054965, 3287944, 3439480, 4109930, 8219860, 16439720, 292066571, 584133142, 1168266284, 1460332855, 2336532568, 2920665710, 3212732281, 5841331420, 6425464562, 11682662840, 12850929124, 16063661405, 25701858248, 32127322810, 64254645620, 128509291240]

約数ペア:

[(1, 128509291240), (2, 64254645620), (4, 32127322810), (5, 25701858248), (8, 16063661405), (10, 12850929124), (11, 11682662840), (20, 6425464562), (22, 5841331420), (40, 3212732281), (44, 2920665710), (55, 2336532568), (88, 1460332855), (110, 1168266284), (220, 584133142), (440, 292066571), (7817, 16439720), (15634, 8219860), (31268, 4109930), (37363, 3439480), (39085, 3287944), (62536, 2054965), (74726, 1719740), (78170, 1643972), (85987, 1494520), (149452, 859870), (156340, 821986), (171974, 747260), (186815, 687896), (298904, 429935), (312680, 410993), (343948, 373630)]