20161680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1$

素因数の和:1125

約数の個数: 160

約数和(自身を含む): 77995008

約数和(自身を除く): 57833328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1091, 1155, 1232, 1320, 1540, 1680, 1848, 2182, 2310, 2640, 3080, 3273, 3696, 4364, 4620, 5455, 6160, 6546, 7637, 8728, 9240, 10910, 12001, 13092, 15274, 16365, 17456, 18480, 21820, 22911, 24002, 26184, 30548, 32730, 36003, 38185, 43640, 45822, 48004, 52368, 60005, 61096, 65460, 72006, 76370, 84007, 87280, 91644, 96008, 114555, 120010, 122192, 130920, 144012, 152740, 168014, 180015, 183288, 192016, 229110, 240020, 252021, 261840, 288024, 305480, 336028, 360030, 366576, 420035, 458220, 480040, 504042, 576048, 610960, 672056, 720060, 840070, 916440, 960080, 1008084, 1260105, 1344112, 1440120, 1680140, 1832880, 2016168, 2520210, 2880240, 3360280, 4032336, 5040420, 6720560, 10080840, 20161680]

約数ペア:

[(1, 20161680), (2, 10080840), (3, 6720560), (4, 5040420), (5, 4032336), (6, 3360280), (7, 2880240), (8, 2520210), (10, 2016168), (11, 1832880), (12, 1680140), (14, 1440120), (15, 1344112), (16, 1260105), (20, 1008084), (21, 960080), (22, 916440), (24, 840070), (28, 720060), (30, 672056), (33, 610960), (35, 576048), (40, 504042), (42, 480040), (44, 458220), (48, 420035), (55, 366576), (56, 360030), (60, 336028), (66, 305480), (70, 288024), (77, 261840), (80, 252021), (84, 240020), (88, 229110), (105, 192016), (110, 183288), (112, 180015), (120, 168014), (132, 152740), (140, 144012), (154, 130920), (165, 122192), (168, 120010), (176, 114555), (210, 96008), (220, 91644), (231, 87280), (240, 84007), (264, 76370), (280, 72006), (308, 65460), (330, 61096), (336, 60005), (385, 52368), (420, 48004), (440, 45822), (462, 43640), (528, 38185), (560, 36003), (616, 32730), (660, 30548), (770, 26184), (840, 24002), (880, 22911), (924, 21820), (1091, 18480), (1155, 17456), (1232, 16365), (1320, 15274), (1540, 13092), (1680, 12001), (1848, 10910), (2182, 9240), (2310, 8728), (2640, 7637), (3080, 6546), (3273, 6160), (3696, 5455), (4364, 4620)]