20628000

素因数分解:

$2^5\times 3^3\times 5^3\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 54851040

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, 125, 135, 144, 150, 160, 180, 191, 200, 216, 225, 240, 250, 270, 288, 300, 360, 375, 382, 400, 432, 450, 480, 500, 540, 573, 600, 675, 720, 750, 764, 800, 864, 900, 955, 1000, 1080, 1125, 1146, 1200, 1350, 1440, 1500, 1528, 1719, 1800, 1910, 2000, 2160, 2250, 2292, 2400, 2700, 2865, 3000, 3056, 3375, 3438, 3600, 3820, 4000, 4320, 4500, 4584, 4775, 5157, 5400, 5730, 6000, 6112, 6750, 6876, 7200, 7640, 8595, 9000, 9168, 9550, 10314, 10800, 11460, 12000, 13500, 13752, 14325, 15280, 17190, 18000, 18336, 19100, 20628, 21600, 22920, 23875, 25785, 27000, 27504, 28650, 30560, 34380, 36000, 38200, 41256, 42975, 45840, 47750, 51570, 54000, 55008, 57300, 68760, 71625, 76400, 82512, 85950, 91680, 95500, 103140, 108000, 114600, 128925, 137520, 143250, 152800, 165024, 171900, 191000, 206280, 214875, 229200, 257850, 275040, 286500, 343800, 382000, 412560, 429750, 458400, 515700, 573000, 644625, 687600, 764000, 825120, 859500, 1031400, 1146000, 1289250, 1375200, 1719000, 2062800, 2292000, 2578500, 3438000, 4125600, 5157000, 6876000, 10314000, 20628000]

約数ペア:

[(1, 20628000), (2, 10314000), (3, 6876000), (4, 5157000), (5, 4125600), (6, 3438000), (8, 2578500), (9, 2292000), (10, 2062800), (12, 1719000), (15, 1375200), (16, 1289250), (18, 1146000), (20, 1031400), (24, 859500), (25, 825120), (27, 764000), (30, 687600), (32, 644625), (36, 573000), (40, 515700), (45, 458400), (48, 429750), (50, 412560), (54, 382000), (60, 343800), (72, 286500), (75, 275040), (80, 257850), (90, 229200), (96, 214875), (100, 206280), (108, 191000), (120, 171900), (125, 165024), (135, 152800), (144, 143250), (150, 137520), (160, 128925), (180, 114600), (191, 108000), (200, 103140), (216, 95500), (225, 91680), (240, 85950), (250, 82512), (270, 76400), (288, 71625), (300, 68760), (360, 57300), (375, 55008), (382, 54000), (400, 51570), (432, 47750), (450, 45840), (480, 42975), (500, 41256), (540, 38200), (573, 36000), (600, 34380), (675, 30560), (720, 28650), (750, 27504), (764, 27000), (800, 25785), (864, 23875), (900, 22920), (955, 21600), (1000, 20628), (1080, 19100), (1125, 18336), (1146, 18000), (1200, 17190), (1350, 15280), (1440, 14325), (1500, 13752), (1528, 13500), (1719, 12000), (1800, 11460), (1910, 10800), (2000, 10314), (2160, 9550), (2250, 9168), (2292, 9000), (2400, 8595), (2700, 7640), (2865, 7200), (3000, 6876), (3056, 6750), (3375, 6112), (3438, 6000), (3600, 5730), (3820, 5400), (4000, 5157), (4320, 4775), (4500, 4584)]