81112500

素因数分解:

$2^2\times 3^2\times 5^5\times 7^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 295731072

約数和(自身を除く): 214618572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 103, 105, 125, 126, 140, 150, 175, 180, 206, 210, 225, 250, 252, 300, 309, 315, 350, 375, 412, 420, 450, 500, 515, 525, 618, 625, 630, 700, 721, 750, 875, 900, 927, 1030, 1050, 1125, 1236, 1250, 1260, 1442, 1500, 1545, 1575, 1750, 1854, 1875, 2060, 2100, 2163, 2250, 2500, 2575, 2625, 2884, 3090, 3125, 3150, 3500, 3605, 3708, 3750, 4326, 4375, 4500, 4635, 5150, 5250, 5625, 6180, 6250, 6300, 6489, 7210, 7500, 7725, 7875, 8652, 8750, 9270, 9375, 10300, 10500, 10815, 11250, 12500, 12875, 12978, 13125, 14420, 15450, 15750, 17500, 18025, 18540, 18750, 21630, 21875, 22500, 23175, 25750, 25956, 26250, 28125, 30900, 31500, 32445, 36050, 37500, 38625, 39375, 43260, 43750, 46350, 51500, 52500, 54075, 56250, 64375, 64890, 65625, 72100, 77250, 78750, 87500, 90125, 92700, 108150, 112500, 115875, 128750, 129780, 131250, 154500, 157500, 162225, 180250, 193125, 196875, 216300, 231750, 257500, 262500, 270375, 321875, 324450, 360500, 386250, 393750, 450625, 463500, 540750, 579375, 643750, 648900, 772500, 787500, 811125, 901250, 965625, 1081500, 1158750, 1287500, 1351875, 1622250, 1802500, 1931250, 2253125, 2317500, 2703750, 2896875, 3244500, 3862500, 4055625, 4506250, 5407500, 5793750, 6759375, 8111250, 9012500, 11587500, 13518750, 16222500, 20278125, 27037500, 40556250, 81112500]

約数ペア:

[(1, 81112500), (2, 40556250), (3, 27037500), (4, 20278125), (5, 16222500), (6, 13518750), (7, 11587500), (9, 9012500), (10, 8111250), (12, 6759375), (14, 5793750), (15, 5407500), (18, 4506250), (20, 4055625), (21, 3862500), (25, 3244500), (28, 2896875), (30, 2703750), (35, 2317500), (36, 2253125), (42, 1931250), (45, 1802500), (50, 1622250), (60, 1351875), (63, 1287500), (70, 1158750), (75, 1081500), (84, 965625), (90, 901250), (100, 811125), (103, 787500), (105, 772500), (125, 648900), (126, 643750), (140, 579375), (150, 540750), (175, 463500), (180, 450625), (206, 393750), (210, 386250), (225, 360500), (250, 324450), (252, 321875), (300, 270375), (309, 262500), (315, 257500), (350, 231750), (375, 216300), (412, 196875), (420, 193125), (450, 180250), (500, 162225), (515, 157500), (525, 154500), (618, 131250), (625, 129780), (630, 128750), (700, 115875), (721, 112500), (750, 108150), (875, 92700), (900, 90125), (927, 87500), (1030, 78750), (1050, 77250), (1125, 72100), (1236, 65625), (1250, 64890), (1260, 64375), (1442, 56250), (1500, 54075), (1545, 52500), (1575, 51500), (1750, 46350), (1854, 43750), (1875, 43260), (2060, 39375), (2100, 38625), (2163, 37500), (2250, 36050), (2500, 32445), (2575, 31500), (2625, 30900), (2884, 28125), (3090, 26250), (3125, 25956), (3150, 25750), (3500, 23175), (3605, 22500), (3708, 21875), (3750, 21630), (4326, 18750), (4375, 18540), (4500, 18025), (4635, 17500), (5150, 15750), (5250, 15450), (5625, 14420), (6180, 13125), (6250, 12978), (6300, 12875), (6489, 12500), (7210, 11250), (7500, 10815), (7725, 10500), (7875, 10300), (8652, 9375), (8750, 9270)]