138402720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:675

約数の個数: 144

約数和(自身を含む): 475517952

約数和(自身を除く): 337115232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 223, 240, 288, 360, 431, 446, 480, 669, 720, 862, 892, 1115, 1293, 1338, 1440, 1724, 1784, 2007, 2155, 2230, 2586, 2676, 3345, 3448, 3568, 3879, 4014, 4310, 4460, 5172, 5352, 6465, 6690, 6896, 7136, 7758, 8028, 8620, 8920, 10035, 10344, 10704, 12930, 13380, 13792, 15516, 16056, 17240, 17840, 19395, 20070, 20688, 21408, 25860, 26760, 31032, 32112, 34480, 35680, 38790, 40140, 41376, 51720, 53520, 62064, 64224, 68960, 77580, 80280, 96113, 103440, 107040, 124128, 155160, 160560, 192226, 206880, 288339, 310320, 321120, 384452, 480565, 576678, 620640, 768904, 865017, 961130, 1153356, 1441695, 1537808, 1730034, 1922260, 2306712, 2883390, 3075616, 3460068, 3844520, 4325085, 4613424, 5766780, 6920136, 7689040, 8650170, 9226848, 11533560, 13840272, 15378080, 17300340, 23067120, 27680544, 34600680, 46134240, 69201360, 138402720]

約数ペア:

[(1, 138402720), (2, 69201360), (3, 46134240), (4, 34600680), (5, 27680544), (6, 23067120), (8, 17300340), (9, 15378080), (10, 13840272), (12, 11533560), (15, 9226848), (16, 8650170), (18, 7689040), (20, 6920136), (24, 5766780), (30, 4613424), (32, 4325085), (36, 3844520), (40, 3460068), (45, 3075616), (48, 2883390), (60, 2306712), (72, 1922260), (80, 1730034), (90, 1537808), (96, 1441695), (120, 1153356), (144, 961130), (160, 865017), (180, 768904), (223, 620640), (240, 576678), (288, 480565), (360, 384452), (431, 321120), (446, 310320), (480, 288339), (669, 206880), (720, 192226), (862, 160560), (892, 155160), (1115, 124128), (1293, 107040), (1338, 103440), (1440, 96113), (1724, 80280), (1784, 77580), (2007, 68960), (2155, 64224), (2230, 62064), (2586, 53520), (2676, 51720), (3345, 41376), (3448, 40140), (3568, 38790), (3879, 35680), (4014, 34480), (4310, 32112), (4460, 31032), (5172, 26760), (5352, 25860), (6465, 21408), (6690, 20688), (6896, 20070), (7136, 19395), (7758, 17840), (8028, 17240), (8620, 16056), (8920, 15516), (10035, 13792), (10344, 13380), (10704, 12930)]