20973600

素因数分解:

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

素因数の和:1000

約数の個数: 144

約数和(自身を含む): 75932640

約数和(自身を除く): 54959040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 971, 1080, 1200, 1350, 1440, 1800, 1942, 2160, 2400, 2700, 2913, 3600, 3884, 4320, 4855, 5400, 5826, 7200, 7768, 8739, 9710, 10800, 11652, 14565, 15536, 17478, 19420, 21600, 23304, 24275, 26217, 29130, 31072, 34956, 38840, 43695, 46608, 48550, 52434, 58260, 69912, 72825, 77680, 87390, 93216, 97100, 104868, 116520, 131085, 139824, 145650, 155360, 174780, 194200, 209736, 218475, 233040, 262170, 279648, 291300, 349560, 388400, 419472, 436950, 466080, 524340, 582600, 655425, 699120, 776800, 838944, 873900, 1048680, 1165200, 1310850, 1398240, 1747800, 2097360, 2330400, 2621700, 3495600, 4194720, 5243400, 6991200, 10486800, 20973600]

約数ペア:

[(1, 20973600), (2, 10486800), (3, 6991200), (4, 5243400), (5, 4194720), (6, 3495600), (8, 2621700), (9, 2330400), (10, 2097360), (12, 1747800), (15, 1398240), (16, 1310850), (18, 1165200), (20, 1048680), (24, 873900), (25, 838944), (27, 776800), (30, 699120), (32, 655425), (36, 582600), (40, 524340), (45, 466080), (48, 436950), (50, 419472), (54, 388400), (60, 349560), (72, 291300), (75, 279648), (80, 262170), (90, 233040), (96, 218475), (100, 209736), (108, 194200), (120, 174780), (135, 155360), (144, 145650), (150, 139824), (160, 131085), (180, 116520), (200, 104868), (216, 97100), (225, 93216), (240, 87390), (270, 77680), (288, 72825), (300, 69912), (360, 58260), (400, 52434), (432, 48550), (450, 46608), (480, 43695), (540, 38840), (600, 34956), (675, 31072), (720, 29130), (800, 26217), (864, 24275), (900, 23304), (971, 21600), (1080, 19420), (1200, 17478), (1350, 15536), (1440, 14565), (1800, 11652), (1942, 10800), (2160, 9710), (2400, 8739), (2700, 7768), (2913, 7200), (3600, 5826), (3884, 5400), (4320, 4855)]