128784240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13759}}^1$

素因数の和:13791

約数の個数: 120

約数和(自身を含む): 465803520

約数和(自身を除く): 337019280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 13759, 27518, 41277, 55036, 68795, 82554, 110072, 123831, 137590, 165108, 178867, 206385, 220144, 247662, 275180, 330216, 357734, 412770, 495324, 536601, 550360, 619155, 660432, 715468, 825540, 894335, 990648, 1073202, 1100720, 1238310, 1430936, 1609803, 1651080, 1788670, 1981296, 2146404, 2476620, 2683005, 2861872, 3219606, 3302160, 3577340, 4292808, 4953240, 5366010, 6439212, 7154680, 8049015, 8585616, 9906480, 10732020, 12878424, 14309360, 16098030, 21464040, 25756848, 32196060, 42928080, 64392120, 128784240]

約数ペア:

[(1, 128784240), (2, 64392120), (3, 42928080), (4, 32196060), (5, 25756848), (6, 21464040), (8, 16098030), (9, 14309360), (10, 12878424), (12, 10732020), (13, 9906480), (15, 8585616), (16, 8049015), (18, 7154680), (20, 6439212), (24, 5366010), (26, 4953240), (30, 4292808), (36, 3577340), (39, 3302160), (40, 3219606), (45, 2861872), (48, 2683005), (52, 2476620), (60, 2146404), (65, 1981296), (72, 1788670), (78, 1651080), (80, 1609803), (90, 1430936), (104, 1238310), (117, 1100720), (120, 1073202), (130, 990648), (144, 894335), (156, 825540), (180, 715468), (195, 660432), (208, 619155), (234, 550360), (240, 536601), (260, 495324), (312, 412770), (360, 357734), (390, 330216), (468, 275180), (520, 247662), (585, 220144), (624, 206385), (720, 178867), (780, 165108), (936, 137590), (1040, 123831), (1170, 110072), (1560, 82554), (1872, 68795), (2340, 55036), (3120, 41277), (4680, 27518), (9360, 13759)]