245905920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 240

約数和(自身を含む): 918269352

約数和(自身を除く): 672363432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 821, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1642, 1664, 1872, 1920, 2080, 2304, 2340, 2463, 2496, 2560, 2880, 3120, 3284, 3328, 3744, 3840, 4105, 4160, 4608, 4680, 4926, 4992, 5760, 6240, 6568, 6656, 7389, 7488, 7680, 8210, 8320, 9360, 9852, 9984, 10673, 11520, 12315, 12480, 13136, 14778, 14976, 16420, 16640, 18720, 19704, 19968, 21346, 23040, 24630, 24960, 26272, 29556, 29952, 32019, 32840, 33280, 36945, 37440, 39408, 42692, 49260, 49920, 52544, 53365, 59112, 59904, 64038, 65680, 73890, 74880, 78816, 85384, 96057, 98520, 99840, 105088, 106730, 118224, 128076, 131360, 147780, 149760, 157632, 160095, 170768, 192114, 197040, 210176, 213460, 236448, 256152, 262720, 295560, 299520, 315264, 320190, 341536, 384228, 394080, 420352, 426920, 472896, 480285, 512304, 525440, 591120, 630528, 640380, 683072, 768456, 788160, 853840, 945792, 960570, 1024608, 1050880, 1182240, 1261056, 1280760, 1366144, 1536912, 1576320, 1707680, 1891584, 1921140, 2049216, 2101760, 2364480, 2561520, 2732288, 3073824, 3152640, 3415360, 3783168, 3842280, 4098432, 4728960, 5123040, 5464576, 6147648, 6305280, 6830720, 7684560, 8196864, 9457920, 10246080, 12295296, 13661440, 15369120, 16393728, 18915840, 20492160, 24590592, 27322880, 30738240, 40984320, 49181184, 61476480, 81968640, 122952960, 245905920]

約数ペア:

[(1, 245905920), (2, 122952960), (3, 81968640), (4, 61476480), (5, 49181184), (6, 40984320), (8, 30738240), (9, 27322880), (10, 24590592), (12, 20492160), (13, 18915840), (15, 16393728), (16, 15369120), (18, 13661440), (20, 12295296), (24, 10246080), (26, 9457920), (30, 8196864), (32, 7684560), (36, 6830720), (39, 6305280), (40, 6147648), (45, 5464576), (48, 5123040), (52, 4728960), (60, 4098432), (64, 3842280), (65, 3783168), (72, 3415360), (78, 3152640), (80, 3073824), (90, 2732288), (96, 2561520), (104, 2364480), (117, 2101760), (120, 2049216), (128, 1921140), (130, 1891584), (144, 1707680), (156, 1576320), (160, 1536912), (180, 1366144), (192, 1280760), (195, 1261056), (208, 1182240), (234, 1050880), (240, 1024608), (256, 960570), (260, 945792), (288, 853840), (312, 788160), (320, 768456), (360, 683072), (384, 640380), (390, 630528), (416, 591120), (468, 525440), (480, 512304), (512, 480285), (520, 472896), (576, 426920), (585, 420352), (624, 394080), (640, 384228), (720, 341536), (768, 320190), (780, 315264), (821, 299520), (832, 295560), (936, 262720), (960, 256152), (1040, 236448), (1152, 213460), (1170, 210176), (1248, 197040), (1280, 192114), (1440, 170768), (1536, 160095), (1560, 157632), (1642, 149760), (1664, 147780), (1872, 131360), (1920, 128076), (2080, 118224), (2304, 106730), (2340, 105088), (2463, 99840), (2496, 98520), (2560, 96057), (2880, 85384), (3120, 78816), (3284, 74880), (3328, 73890), (3744, 65680), (3840, 64038), (4105, 59904), (4160, 59112), (4608, 53365), (4680, 52544), (4926, 49920), (4992, 49260), (5760, 42692), (6240, 39408), (6568, 37440), (6656, 36945), (7389, 33280), (7488, 32840), (7680, 32019), (8210, 29952), (8320, 29556), (9360, 26272), (9852, 24960), (9984, 24630), (10673, 23040), (11520, 21346), (12315, 19968), (12480, 19704), (13136, 18720), (14778, 16640), (14976, 16420)]