127771920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4189

約数の個数: 120

約数和(自身を含む): 439186176

約数和(自身を除く): 311414256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4127, 5160, 6192, 7740, 8254, 10320, 12381, 15480, 16508, 20635, 24762, 30960, 33016, 37143, 41270, 49524, 61905, 66032, 74286, 82540, 99048, 123810, 148572, 165080, 177461, 185715, 198096, 247620, 297144, 330160, 354922, 371430, 495240, 532383, 594288, 709844, 742860, 887305, 990480, 1064766, 1419688, 1485720, 1597149, 1774610, 2129532, 2661915, 2839376, 2971440, 3194298, 3549220, 4259064, 5323830, 6388596, 7098440, 7985745, 8518128, 10647660, 12777192, 14196880, 15971490, 21295320, 25554384, 31942980, 42590640, 63885960, 127771920]

約数ペア:

[(1, 127771920), (2, 63885960), (3, 42590640), (4, 31942980), (5, 25554384), (6, 21295320), (8, 15971490), (9, 14196880), (10, 12777192), (12, 10647660), (15, 8518128), (16, 7985745), (18, 7098440), (20, 6388596), (24, 5323830), (30, 4259064), (36, 3549220), (40, 3194298), (43, 2971440), (45, 2839376), (48, 2661915), (60, 2129532), (72, 1774610), (80, 1597149), (86, 1485720), (90, 1419688), (120, 1064766), (129, 990480), (144, 887305), (172, 742860), (180, 709844), (215, 594288), (240, 532383), (258, 495240), (344, 371430), (360, 354922), (387, 330160), (430, 297144), (516, 247620), (645, 198096), (688, 185715), (720, 177461), (774, 165080), (860, 148572), (1032, 123810), (1290, 99048), (1548, 82540), (1720, 74286), (1935, 66032), (2064, 61905), (2580, 49524), (3096, 41270), (3440, 37143), (3870, 33016), (4127, 30960), (5160, 24762), (6192, 20635), (7740, 16508), (8254, 15480), (10320, 12381)]