261547000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 754790400

約数和(自身を除く): 493243400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 31, 40, 44, 50, 52, 55, 59, 62, 65, 88, 100, 104, 110, 118, 124, 125, 130, 143, 155, 200, 220, 236, 248, 250, 260, 275, 286, 295, 310, 325, 341, 403, 440, 472, 500, 520, 550, 572, 590, 620, 649, 650, 682, 715, 767, 775, 806, 1000, 1100, 1144, 1180, 1240, 1298, 1300, 1364, 1375, 1430, 1475, 1534, 1550, 1612, 1625, 1705, 1829, 2015, 2200, 2360, 2596, 2600, 2728, 2750, 2860, 2950, 3068, 3100, 3224, 3245, 3250, 3410, 3575, 3658, 3835, 3875, 4030, 4433, 5192, 5500, 5720, 5900, 6136, 6200, 6490, 6500, 6820, 7150, 7316, 7375, 7670, 7750, 8060, 8437, 8525, 8866, 9145, 10075, 11000, 11800, 12980, 13000, 13640, 14300, 14632, 14750, 15340, 15500, 16120, 16225, 16874, 17050, 17732, 17875, 18290, 19175, 20119, 20150, 22165, 23777, 25960, 28600, 29500, 30680, 31000, 32450, 33748, 34100, 35464, 35750, 36580, 38350, 40238, 40300, 42185, 42625, 44330, 45725, 47554, 50375, 59000, 64900, 67496, 68200, 71500, 73160, 76700, 80476, 80600, 81125, 84370, 85250, 88660, 91450, 95108, 95875, 100595, 100750, 110825, 118885, 129800, 143000, 153400, 160952, 162250, 168740, 170500, 177320, 182900, 190216, 191750, 201190, 201500, 210925, 221650, 228625, 237770, 261547, 324500, 337480, 341000, 365800, 383500, 402380, 403000, 421850, 443300, 457250, 475540, 502975, 523094, 554125, 594425, 649000, 767000, 804760, 843700, 886600, 914500, 951080, 1005950, 1046188, 1054625, 1108250, 1188850, 1307735, 1687400, 1829000, 2011900, 2092376, 2109250, 2216500, 2377700, 2514875, 2615470, 2972125, 4023800, 4218500, 4433000, 4755400, 5029750, 5230940, 5944250, 6538675, 8437000, 10059500, 10461880, 11888500, 13077350, 20119000, 23777000, 26154700, 32693375, 52309400, 65386750, 130773500, 261547000]

約数ペア:

[(1, 261547000), (2, 130773500), (4, 65386750), (5, 52309400), (8, 32693375), (10, 26154700), (11, 23777000), (13, 20119000), (20, 13077350), (22, 11888500), (25, 10461880), (26, 10059500), (31, 8437000), (40, 6538675), (44, 5944250), (50, 5230940), (52, 5029750), (55, 4755400), (59, 4433000), (62, 4218500), (65, 4023800), (88, 2972125), (100, 2615470), (104, 2514875), (110, 2377700), (118, 2216500), (124, 2109250), (125, 2092376), (130, 2011900), (143, 1829000), (155, 1687400), (200, 1307735), (220, 1188850), (236, 1108250), (248, 1054625), (250, 1046188), (260, 1005950), (275, 951080), (286, 914500), (295, 886600), (310, 843700), (325, 804760), (341, 767000), (403, 649000), (440, 594425), (472, 554125), (500, 523094), (520, 502975), (550, 475540), (572, 457250), (590, 443300), (620, 421850), (649, 403000), (650, 402380), (682, 383500), (715, 365800), (767, 341000), (775, 337480), (806, 324500), (1000, 261547), (1100, 237770), (1144, 228625), (1180, 221650), (1240, 210925), (1298, 201500), (1300, 201190), (1364, 191750), (1375, 190216), (1430, 182900), (1475, 177320), (1534, 170500), (1550, 168740), (1612, 162250), (1625, 160952), (1705, 153400), (1829, 143000), (2015, 129800), (2200, 118885), (2360, 110825), (2596, 100750), (2600, 100595), (2728, 95875), (2750, 95108), (2860, 91450), (2950, 88660), (3068, 85250), (3100, 84370), (3224, 81125), (3245, 80600), (3250, 80476), (3410, 76700), (3575, 73160), (3658, 71500), (3835, 68200), (3875, 67496), (4030, 64900), (4433, 59000), (5192, 50375), (5500, 47554), (5720, 45725), (5900, 44330), (6136, 42625), (6200, 42185), (6490, 40300), (6500, 40238), (6820, 38350), (7150, 36580), (7316, 35750), (7375, 35464), (7670, 34100), (7750, 33748), (8060, 32450), (8437, 31000), (8525, 30680), (8866, 29500), (9145, 28600), (10075, 25960), (11000, 23777), (11800, 22165), (12980, 20150), (13000, 20119), (13640, 19175), (14300, 18290), (14632, 17875), (14750, 17732), (15340, 17050), (15500, 16874), (16120, 16225)]