20728326600

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{16061}}^1$

素因数の和:16325

約数の個数: 192

約数和(自身を含む): 71700768000

約数和(自身を除く): 50972441400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 135, 150, 180, 200, 216, 225, 239, 270, 300, 360, 450, 478, 540, 600, 675, 717, 900, 956, 1080, 1195, 1350, 1434, 1800, 1912, 2151, 2390, 2700, 2868, 3585, 4302, 4780, 5400, 5736, 5975, 6453, 7170, 8604, 9560, 10755, 11950, 12906, 14340, 16061, 17208, 17925, 21510, 23900, 25812, 28680, 32122, 32265, 35850, 43020, 47800, 48183, 51624, 53775, 64244, 64530, 71700, 80305, 86040, 96366, 107550, 128488, 129060, 143400, 144549, 160610, 161325, 192732, 215100, 240915, 258120, 289098, 321220, 322650, 385464, 401525, 430200, 433647, 481830, 578196, 642440, 645300, 722745, 803050, 867294, 963660, 1156392, 1204575, 1290600, 1445490, 1606100, 1734588, 1927320, 2168235, 2409150, 2890980, 3212200, 3469176, 3613725, 3838579, 4336470, 4818300, 5781960, 7227450, 7677158, 8672940, 9636600, 10841175, 11515737, 14454900, 15354316, 17345880, 19192895, 21682350, 23031474, 28909800, 30708632, 34547211, 38385790, 43364700, 46062948, 57578685, 69094422, 76771580, 86729400, 92125896, 95964475, 103641633, 115157370, 138188844, 153543160, 172736055, 191928950, 207283266, 230314740, 276377688, 287893425, 345472110, 383857900, 414566532, 460629480, 518208165, 575786850, 690944220, 767715800, 829133064, 863680275, 1036416330, 1151573700, 1381888440, 1727360550, 2072832660, 2303147400, 2591040825, 3454721100, 4145665320, 5182081650, 6909442200, 10364163300, 20728326600]

約数ペア:

[(1, 20728326600), (2, 10364163300), (3, 6909442200), (4, 5182081650), (5, 4145665320), (6, 3454721100), (8, 2591040825), (9, 2303147400), (10, 2072832660), (12, 1727360550), (15, 1381888440), (18, 1151573700), (20, 1036416330), (24, 863680275), (25, 829133064), (27, 767715800), (30, 690944220), (36, 575786850), (40, 518208165), (45, 460629480), (50, 414566532), (54, 383857900), (60, 345472110), (72, 287893425), (75, 276377688), (90, 230314740), (100, 207283266), (108, 191928950), (120, 172736055), (135, 153543160), (150, 138188844), (180, 115157370), (200, 103641633), (216, 95964475), (225, 92125896), (239, 86729400), (270, 76771580), (300, 69094422), (360, 57578685), (450, 46062948), (478, 43364700), (540, 38385790), (600, 34547211), (675, 30708632), (717, 28909800), (900, 23031474), (956, 21682350), (1080, 19192895), (1195, 17345880), (1350, 15354316), (1434, 14454900), (1800, 11515737), (1912, 10841175), (2151, 9636600), (2390, 8672940), (2700, 7677158), (2868, 7227450), (3585, 5781960), (4302, 4818300), (4780, 4336470), (5400, 3838579), (5736, 3613725), (5975, 3469176), (6453, 3212200), (7170, 2890980), (8604, 2409150), (9560, 2168235), (10755, 1927320), (11950, 1734588), (12906, 1606100), (14340, 1445490), (16061, 1290600), (17208, 1204575), (17925, 1156392), (21510, 963660), (23900, 867294), (25812, 803050), (28680, 722745), (32122, 645300), (32265, 642440), (35850, 578196), (43020, 481830), (47800, 433647), (48183, 430200), (51624, 401525), (53775, 385464), (64244, 322650), (64530, 321220), (71700, 289098), (80305, 258120), (86040, 240915), (96366, 215100), (107550, 192732), (128488, 161325), (129060, 160610), (143400, 144549)]