20782543680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2405387}}^1$

素因数の和:2405413

約数の個数: 112

約数和(自身を含む): 73316226240

約数和(自身を除く): 52533682560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 2405387, 4810774, 7216161, 9621548, 12026935, 14432322, 19243096, 21648483, 24053870, 28864644, 36080805, 38486192, 43296966, 48107740, 57729288, 64945449, 72161610, 76972384, 86593932, 96215480, 108242415, 115458576, 129890898, 144323220, 153944768, 173187864, 192430960, 216484830, 230917152, 259781796, 288646440, 324727245, 346375728, 384861920, 432969660, 461834304, 519563592, 577292880, 649454490, 692751456, 769723840, 865939320, 1039127184, 1154585760, 1298908980, 1385502912, 1731878640, 2078254368, 2309171520, 2597817960, 3463757280, 4156508736, 5195635920, 6927514560, 10391271840, 20782543680]

約数ペア:

[(1, 20782543680), (2, 10391271840), (3, 6927514560), (4, 5195635920), (5, 4156508736), (6, 3463757280), (8, 2597817960), (9, 2309171520), (10, 2078254368), (12, 1731878640), (15, 1385502912), (16, 1298908980), (18, 1154585760), (20, 1039127184), (24, 865939320), (27, 769723840), (30, 692751456), (32, 649454490), (36, 577292880), (40, 519563592), (45, 461834304), (48, 432969660), (54, 384861920), (60, 346375728), (64, 324727245), (72, 288646440), (80, 259781796), (90, 230917152), (96, 216484830), (108, 192430960), (120, 173187864), (135, 153944768), (144, 144323220), (160, 129890898), (180, 115458576), (192, 108242415), (216, 96215480), (240, 86593932), (270, 76972384), (288, 72161610), (320, 64945449), (360, 57729288), (432, 48107740), (480, 43296966), (540, 38486192), (576, 36080805), (720, 28864644), (864, 24053870), (960, 21648483), (1080, 19243096), (1440, 14432322), (1728, 12026935), (2160, 9621548), (2880, 7216161), (4320, 4810774), (8640, 2405387)]