20894400

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{1451}}^1$

素因数の和:1479

約数の個数: 126

約数和(自身を含む): 74314812

約数和(自身を除く): 53420412

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, 64, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 400, 450, 480, 576, 600, 720, 800, 900, 960, 1200, 1440, 1451, 1600, 1800, 2400, 2880, 2902, 3600, 4353, 4800, 5804, 7200, 7255, 8706, 11608, 13059, 14400, 14510, 17412, 21765, 23216, 26118, 29020, 34824, 36275, 43530, 46432, 52236, 58040, 65295, 69648, 72550, 87060, 92864, 104472, 108825, 116080, 130590, 139296, 145100, 174120, 208944, 217650, 232160, 261180, 278592, 290200, 326475, 348240, 417888, 435300, 464320, 522360, 580400, 652950, 696480, 835776, 870600, 1044720, 1160800, 1305900, 1392960, 1741200, 2089440, 2321600, 2611800, 3482400, 4178880, 5223600, 6964800, 10447200, 20894400]

約数ペア:

[(1, 20894400), (2, 10447200), (3, 6964800), (4, 5223600), (5, 4178880), (6, 3482400), (8, 2611800), (9, 2321600), (10, 2089440), (12, 1741200), (15, 1392960), (16, 1305900), (18, 1160800), (20, 1044720), (24, 870600), (25, 835776), (30, 696480), (32, 652950), (36, 580400), (40, 522360), (45, 464320), (48, 435300), (50, 417888), (60, 348240), (64, 326475), (72, 290200), (75, 278592), (80, 261180), (90, 232160), (96, 217650), (100, 208944), (120, 174120), (144, 145100), (150, 139296), (160, 130590), (180, 116080), (192, 108825), (200, 104472), (225, 92864), (240, 87060), (288, 72550), (300, 69648), (320, 65295), (360, 58040), (400, 52236), (450, 46432), (480, 43530), (576, 36275), (600, 34824), (720, 29020), (800, 26118), (900, 23216), (960, 21765), (1200, 17412), (1440, 14510), (1451, 14400), (1600, 13059), (1800, 11608), (2400, 8706), (2880, 7255), (2902, 7200), (3600, 5804), (4353, 4800)]