20405918400

素因数分解:

$2^6\times 3^1\times 5^2\times 7^1\times {\mathrm{607319}}^1$

素因数の和:607351

約数の個数: 168

約数和(自身を含む): 76512602880

約数和(自身を除く): 56106684480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 320, 336, 350, 400, 420, 448, 480, 525, 560, 600, 672, 700, 800, 840, 960, 1050, 1120, 1200, 1344, 1400, 1600, 1680, 2100, 2240, 2400, 2800, 3360, 4200, 4800, 5600, 6720, 8400, 11200, 16800, 33600, 607319, 1214638, 1821957, 2429276, 3036595, 3643914, 4251233, 4858552, 6073190, 7287828, 8502466, 9109785, 9717104, 12146380, 12753699, 14575656, 15182975, 17004932, 18219570, 19434208, 21256165, 24292760, 25507398, 29151312, 30365950, 34009864, 36439140, 38868416, 42512330, 45548925, 48585520, 51014796, 58302624, 60731900, 63768495, 68019728, 72878280, 85024660, 91097850, 97171040, 102029592, 106280825, 116605248, 121463800, 127536990, 136039456, 145756560, 170049320, 182195700, 194342080, 204059184, 212561650, 242927600, 255073980, 272078912, 291513120, 318842475, 340098640, 364391400, 408118368, 425123300, 485855200, 510147960, 583026240, 637684950, 680197280, 728782800, 816236736, 850246600, 971710400, 1020295920, 1275369900, 1360394560, 1457565600, 1700493200, 2040591840, 2550739800, 2915131200, 3400986400, 4081183680, 5101479600, 6801972800, 10202959200, 20405918400]

約数ペア:

[(1, 20405918400), (2, 10202959200), (3, 6801972800), (4, 5101479600), (5, 4081183680), (6, 3400986400), (7, 2915131200), (8, 2550739800), (10, 2040591840), (12, 1700493200), (14, 1457565600), (15, 1360394560), (16, 1275369900), (20, 1020295920), (21, 971710400), (24, 850246600), (25, 816236736), (28, 728782800), (30, 680197280), (32, 637684950), (35, 583026240), (40, 510147960), (42, 485855200), (48, 425123300), (50, 408118368), (56, 364391400), (60, 340098640), (64, 318842475), (70, 291513120), (75, 272078912), (80, 255073980), (84, 242927600), (96, 212561650), (100, 204059184), (105, 194342080), (112, 182195700), (120, 170049320), (140, 145756560), (150, 136039456), (160, 127536990), (168, 121463800), (175, 116605248), (192, 106280825), (200, 102029592), (210, 97171040), (224, 91097850), (240, 85024660), (280, 72878280), (300, 68019728), (320, 63768495), (336, 60731900), (350, 58302624), (400, 51014796), (420, 48585520), (448, 45548925), (480, 42512330), (525, 38868416), (560, 36439140), (600, 34009864), (672, 30365950), (700, 29151312), (800, 25507398), (840, 24292760), (960, 21256165), (1050, 19434208), (1120, 18219570), (1200, 17004932), (1344, 15182975), (1400, 14575656), (1600, 12753699), (1680, 12146380), (2100, 9717104), (2240, 9109785), (2400, 8502466), (2800, 7287828), (3360, 6073190), (4200, 4858552), (4800, 4251233), (5600, 3643914), (6720, 3036595), (8400, 2429276), (11200, 1821957), (16800, 1214638), (33600, 607319)]