20645013600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{971}}^1\times {\mathrm{2953}}^1$

素因数の和:3950

約数の個数: 216

約数和(自身を含む): 72899131032

約数和(自身を除く): 52254117432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 971, 1200, 1440, 1800, 1942, 2400, 2913, 2953, 3600, 3884, 4855, 5826, 5906, 7200, 7768, 8739, 8859, 9710, 11652, 11812, 14565, 14765, 15536, 17478, 17718, 19420, 23304, 23624, 24275, 26577, 29130, 29530, 31072, 34956, 35436, 38840, 43695, 44295, 46608, 47248, 48550, 53154, 58260, 59060, 69912, 70872, 72825, 73825, 77680, 87390, 88590, 93216, 94496, 97100, 106308, 116520, 118120, 132885, 139824, 141744, 145650, 147650, 155360, 174780, 177180, 194200, 212616, 218475, 221475, 233040, 236240, 265770, 279648, 283488, 291300, 295300, 349560, 354360, 388400, 425232, 436950, 442950, 466080, 472480, 531540, 582600, 590600, 664425, 699120, 708720, 776800, 850464, 873900, 885900, 1063080, 1165200, 1181200, 1328850, 1398240, 1417440, 1747800, 1771800, 2126160, 2330400, 2362400, 2657700, 2867363, 3495600, 3543600, 4252320, 5315400, 5734726, 6991200, 7087200, 8602089, 10630800, 11469452, 14336815, 17204178, 21261600, 22938904, 25806267, 28673630, 34408356, 43010445, 45877808, 51612534, 57347260, 68816712, 71684075, 86020890, 91755616, 103225068, 114694520, 129031335, 137633424, 143368150, 172041780, 206450136, 215052225, 229389040, 258062670, 275266848, 286736300, 344083560, 412900272, 430104450, 458778080, 516125340, 573472600, 645156675, 688167120, 825800544, 860208900, 1032250680, 1146945200, 1290313350, 1376334240, 1720417800, 2064501360, 2293890400, 2580626700, 3440835600, 4129002720, 5161253400, 6881671200, 10322506800, 20645013600]

約数ペア:

[(1, 20645013600), (2, 10322506800), (3, 6881671200), (4, 5161253400), (5, 4129002720), (6, 3440835600), (8, 2580626700), (9, 2293890400), (10, 2064501360), (12, 1720417800), (15, 1376334240), (16, 1290313350), (18, 1146945200), (20, 1032250680), (24, 860208900), (25, 825800544), (30, 688167120), (32, 645156675), (36, 573472600), (40, 516125340), (45, 458778080), (48, 430104450), (50, 412900272), (60, 344083560), (72, 286736300), (75, 275266848), (80, 258062670), (90, 229389040), (96, 215052225), (100, 206450136), (120, 172041780), (144, 143368150), (150, 137633424), (160, 129031335), (180, 114694520), (200, 103225068), (225, 91755616), (240, 86020890), (288, 71684075), (300, 68816712), (360, 57347260), (400, 51612534), (450, 45877808), (480, 43010445), (600, 34408356), (720, 28673630), (800, 25806267), (900, 22938904), (971, 21261600), (1200, 17204178), (1440, 14336815), (1800, 11469452), (1942, 10630800), (2400, 8602089), (2913, 7087200), (2953, 6991200), (3600, 5734726), (3884, 5315400), (4855, 4252320), (5826, 3543600), (5906, 3495600), (7200, 2867363), (7768, 2657700), (8739, 2362400), (8859, 2330400), (9710, 2126160), (11652, 1771800), (11812, 1747800), (14565, 1417440), (14765, 1398240), (15536, 1328850), (17478, 1181200), (17718, 1165200), (19420, 1063080), (23304, 885900), (23624, 873900), (24275, 850464), (26577, 776800), (29130, 708720), (29530, 699120), (31072, 664425), (34956, 590600), (35436, 582600), (38840, 531540), (43695, 472480), (44295, 466080), (46608, 442950), (47248, 436950), (48550, 425232), (53154, 388400), (58260, 354360), (59060, 349560), (69912, 295300), (70872, 291300), (72825, 283488), (73825, 279648), (77680, 265770), (87390, 236240), (88590, 233040), (93216, 221475), (94496, 218475), (97100, 212616), (106308, 194200), (116520, 177180), (118120, 174780), (132885, 155360), (139824, 147650), (141744, 145650)]