2018785920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1061}}^1$

素因数の和:2074

約数の個数: 128

約数和(自身を含む): 6447444480

約数和(自身を除く): 4428658560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 991, 1061, 1920, 1982, 2122, 2973, 3183, 3964, 4244, 4955, 5305, 5946, 6366, 7928, 8488, 9910, 10610, 11892, 12732, 14865, 15856, 15915, 16976, 19820, 21220, 23784, 25464, 29730, 31712, 31830, 33952, 39640, 42440, 47568, 50928, 59460, 63424, 63660, 67904, 79280, 84880, 95136, 101856, 118920, 126848, 127320, 135808, 158560, 169760, 190272, 203712, 237840, 254640, 317120, 339520, 380544, 407424, 475680, 509280, 634240, 679040, 951360, 1018560, 1051451, 1902720, 2037120, 2102902, 3154353, 4205804, 5257255, 6308706, 8411608, 10514510, 12617412, 15771765, 16823216, 21029020, 25234824, 31543530, 33646432, 42058040, 50469648, 63087060, 67292864, 84116080, 100939296, 126174120, 134585728, 168232160, 201878592, 252348240, 336464320, 403757184, 504696480, 672928640, 1009392960, 2018785920]

約数ペア:

[(1, 2018785920), (2, 1009392960), (3, 672928640), (4, 504696480), (5, 403757184), (6, 336464320), (8, 252348240), (10, 201878592), (12, 168232160), (15, 134585728), (16, 126174120), (20, 100939296), (24, 84116080), (30, 67292864), (32, 63087060), (40, 50469648), (48, 42058040), (60, 33646432), (64, 31543530), (80, 25234824), (96, 21029020), (120, 16823216), (128, 15771765), (160, 12617412), (192, 10514510), (240, 8411608), (320, 6308706), (384, 5257255), (480, 4205804), (640, 3154353), (960, 2102902), (991, 2037120), (1061, 1902720), (1920, 1051451), (1982, 1018560), (2122, 951360), (2973, 679040), (3183, 634240), (3964, 509280), (4244, 475680), (4955, 407424), (5305, 380544), (5946, 339520), (6366, 317120), (7928, 254640), (8488, 237840), (9910, 203712), (10610, 190272), (11892, 169760), (12732, 158560), (14865, 135808), (15856, 127320), (15915, 126848), (16976, 118920), (19820, 101856), (21220, 95136), (23784, 84880), (25464, 79280), (29730, 67904), (31712, 63660), (31830, 63424), (33952, 59460), (39640, 50928), (42440, 47568)]