81994500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 288

約数和(自身を含む): 313447680

約数和(自身を除く): 231453180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 125, 126, 133, 137, 140, 150, 171, 175, 180, 190, 210, 225, 228, 250, 252, 266, 274, 285, 300, 315, 342, 350, 375, 380, 399, 411, 420, 450, 475, 500, 525, 532, 548, 570, 630, 665, 684, 685, 700, 750, 798, 822, 855, 875, 900, 950, 959, 1050, 1125, 1140, 1197, 1233, 1260, 1330, 1370, 1425, 1500, 1575, 1596, 1644, 1710, 1750, 1900, 1918, 1995, 2055, 2100, 2250, 2375, 2394, 2466, 2603, 2625, 2660, 2740, 2850, 2877, 3150, 3325, 3420, 3425, 3500, 3836, 3990, 4110, 4275, 4500, 4750, 4788, 4795, 4932, 5206, 5250, 5700, 5754, 5985, 6165, 6300, 6650, 6850, 7125, 7809, 7875, 7980, 8220, 8550, 8631, 9500, 9590, 9975, 10275, 10412, 10500, 11508, 11970, 12330, 13015, 13300, 13700, 14250, 14385, 15618, 15750, 16625, 17100, 17125, 17262, 18221, 19180, 19950, 20550, 21375, 23427, 23940, 23975, 24660, 26030, 28500, 28770, 29925, 30825, 31236, 31500, 33250, 34250, 34524, 36442, 39045, 39900, 41100, 42750, 43155, 46854, 47950, 49875, 51375, 52060, 54663, 57540, 59850, 61650, 65075, 66500, 68500, 71925, 72884, 78090, 85500, 86310, 91105, 93708, 95900, 99750, 102750, 109326, 117135, 119700, 119875, 123300, 130150, 143850, 149625, 154125, 156180, 163989, 172620, 182210, 195225, 199500, 205500, 215775, 218652, 234270, 239750, 260300, 273315, 287700, 299250, 308250, 325375, 327978, 359625, 364420, 390450, 431550, 455525, 468540, 479500, 546630, 585675, 598500, 616500, 650750, 655956, 719250, 780900, 819945, 863100, 911050, 976125, 1078875, 1093260, 1171350, 1301500, 1366575, 1438500, 1639890, 1822100, 1952250, 2157750, 2277625, 2342700, 2733150, 2928375, 3279780, 3904500, 4099725, 4315500, 4555250, 5466300, 5856750, 6832875, 8199450, 9110500, 11713500, 13665750, 16398900, 20498625, 27331500, 40997250, 81994500]

約数ペア:

[(1, 81994500), (2, 40997250), (3, 27331500), (4, 20498625), (5, 16398900), (6, 13665750), (7, 11713500), (9, 9110500), (10, 8199450), (12, 6832875), (14, 5856750), (15, 5466300), (18, 4555250), (19, 4315500), (20, 4099725), (21, 3904500), (25, 3279780), (28, 2928375), (30, 2733150), (35, 2342700), (36, 2277625), (38, 2157750), (42, 1952250), (45, 1822100), (50, 1639890), (57, 1438500), (60, 1366575), (63, 1301500), (70, 1171350), (75, 1093260), (76, 1078875), (84, 976125), (90, 911050), (95, 863100), (100, 819945), (105, 780900), (114, 719250), (125, 655956), (126, 650750), (133, 616500), (137, 598500), (140, 585675), (150, 546630), (171, 479500), (175, 468540), (180, 455525), (190, 431550), (210, 390450), (225, 364420), (228, 359625), (250, 327978), (252, 325375), (266, 308250), (274, 299250), (285, 287700), (300, 273315), (315, 260300), (342, 239750), (350, 234270), (375, 218652), (380, 215775), (399, 205500), (411, 199500), (420, 195225), (450, 182210), (475, 172620), (500, 163989), (525, 156180), (532, 154125), (548, 149625), (570, 143850), (630, 130150), (665, 123300), (684, 119875), (685, 119700), (700, 117135), (750, 109326), (798, 102750), (822, 99750), (855, 95900), (875, 93708), (900, 91105), (950, 86310), (959, 85500), (1050, 78090), (1125, 72884), (1140, 71925), (1197, 68500), (1233, 66500), (1260, 65075), (1330, 61650), (1370, 59850), (1425, 57540), (1500, 54663), (1575, 52060), (1596, 51375), (1644, 49875), (1710, 47950), (1750, 46854), (1900, 43155), (1918, 42750), (1995, 41100), (2055, 39900), (2100, 39045), (2250, 36442), (2375, 34524), (2394, 34250), (2466, 33250), (2603, 31500), (2625, 31236), (2660, 30825), (2740, 29925), (2850, 28770), (2877, 28500), (3150, 26030), (3325, 24660), (3420, 23975), (3425, 23940), (3500, 23427), (3836, 21375), (3990, 20550), (4110, 19950), (4275, 19180), (4500, 18221), (4750, 17262), (4788, 17125), (4795, 17100), (4932, 16625), (5206, 15750), (5250, 15618), (5700, 14385), (5754, 14250), (5985, 13700), (6165, 13300), (6300, 13015), (6650, 12330), (6850, 11970), (7125, 11508), (7809, 10500), (7875, 10412), (7980, 10275), (8220, 9975), (8550, 9590), (8631, 9500)]