20152800

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{311}}^1$

素因数の和:343

約数の個数: 180

約数和(自身を含む): 73729656

約数和(自身を除く): 53576856

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, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 311, 324, 360, 400, 405, 432, 450, 480, 540, 600, 622, 648, 675, 720, 800, 810, 864, 900, 933, 1080, 1200, 1244, 1296, 1350, 1440, 1555, 1620, 1800, 1866, 2025, 2160, 2400, 2488, 2592, 2700, 2799, 3110, 3240, 3600, 3732, 4050, 4320, 4665, 4976, 5400, 5598, 6220, 6480, 7200, 7464, 7775, 8100, 8397, 9330, 9952, 10800, 11196, 12440, 12960, 13995, 14928, 15550, 16200, 16794, 18660, 21600, 22392, 23325, 24880, 25191, 27990, 29856, 31100, 32400, 33588, 37320, 41985, 44784, 46650, 49760, 50382, 55980, 62200, 64800, 67176, 69975, 74640, 83970, 89568, 93300, 100764, 111960, 124400, 125955, 134352, 139950, 149280, 167940, 186600, 201528, 209925, 223920, 248800, 251910, 268704, 279900, 335880, 373200, 403056, 419850, 447840, 503820, 559800, 629775, 671760, 746400, 806112, 839700, 1007640, 1119600, 1259550, 1343520, 1679400, 2015280, 2239200, 2519100, 3358800, 4030560, 5038200, 6717600, 10076400, 20152800]

約数ペア:

[(1, 20152800), (2, 10076400), (3, 6717600), (4, 5038200), (5, 4030560), (6, 3358800), (8, 2519100), (9, 2239200), (10, 2015280), (12, 1679400), (15, 1343520), (16, 1259550), (18, 1119600), (20, 1007640), (24, 839700), (25, 806112), (27, 746400), (30, 671760), (32, 629775), (36, 559800), (40, 503820), (45, 447840), (48, 419850), (50, 403056), (54, 373200), (60, 335880), (72, 279900), (75, 268704), (80, 251910), (81, 248800), (90, 223920), (96, 209925), (100, 201528), (108, 186600), (120, 167940), (135, 149280), (144, 139950), (150, 134352), (160, 125955), (162, 124400), (180, 111960), (200, 100764), (216, 93300), (225, 89568), (240, 83970), (270, 74640), (288, 69975), (300, 67176), (311, 64800), (324, 62200), (360, 55980), (400, 50382), (405, 49760), (432, 46650), (450, 44784), (480, 41985), (540, 37320), (600, 33588), (622, 32400), (648, 31100), (675, 29856), (720, 27990), (800, 25191), (810, 24880), (864, 23325), (900, 22392), (933, 21600), (1080, 18660), (1200, 16794), (1244, 16200), (1296, 15550), (1350, 14928), (1440, 13995), (1555, 12960), (1620, 12440), (1800, 11196), (1866, 10800), (2025, 9952), (2160, 9330), (2400, 8397), (2488, 8100), (2592, 7775), (2700, 7464), (2799, 7200), (3110, 6480), (3240, 6220), (3600, 5598), (3732, 5400), (4050, 4976), (4320, 4665)]