20201086800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{64499}}^1$

素因数の和:64555

約数の個数: 240

約数和(自身を含む): 74381400000

約数和(自身を除く): 54180313200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 29, 30, 36, 40, 45, 48, 50, 54, 58, 60, 72, 75, 80, 87, 90, 100, 108, 116, 120, 135, 144, 145, 150, 174, 180, 200, 216, 225, 232, 240, 261, 270, 290, 300, 348, 360, 400, 432, 435, 450, 464, 522, 540, 580, 600, 675, 696, 720, 725, 783, 870, 900, 1044, 1080, 1160, 1200, 1305, 1350, 1392, 1450, 1566, 1740, 1800, 2088, 2160, 2175, 2320, 2610, 2700, 2900, 3132, 3480, 3600, 3915, 4176, 4350, 5220, 5400, 5800, 6264, 6525, 6960, 7830, 8700, 10440, 10800, 11600, 12528, 13050, 15660, 17400, 19575, 20880, 26100, 31320, 34800, 39150, 52200, 62640, 64499, 78300, 104400, 128998, 156600, 193497, 257996, 313200, 322495, 386994, 515992, 580491, 644990, 773988, 967485, 1031984, 1160982, 1289980, 1547976, 1612475, 1741473, 1870471, 1934970, 2321964, 2579960, 2902455, 3095952, 3224950, 3482946, 3740942, 3869940, 4643928, 4837425, 5159920, 5611413, 5804910, 6449900, 6965892, 7481884, 7739880, 8707365, 9287856, 9352355, 9674850, 11222826, 11609820, 12899800, 13931784, 14512275, 14963768, 15479760, 16834239, 17414730, 18704710, 19349700, 22445652, 23219640, 25799600, 27863568, 28057065, 29024550, 29927536, 33668478, 34829460, 37409420, 38699400, 43536825, 44891304, 46439280, 46761775, 50502717, 56114130, 58049100, 67336956, 69658920, 74818840, 77398800, 84171195, 87073650, 89782608, 93523550, 101005434, 112228260, 116098200, 134673912, 139317840, 140285325, 149637680, 168342390, 174147300, 187047100, 202010868, 224456520, 232196400, 252513585, 269347824, 280570650, 336684780, 348294600, 374094200, 404021736, 420855975, 448913040, 505027170, 561141300, 673369560, 696589200, 748188400, 808043472, 841711950, 1010054340, 1122282600, 1262567925, 1346739120, 1683423900, 2020108680, 2244565200, 2525135850, 3366847800, 4040217360, 5050271700, 6733695600, 10100543400, 20201086800]

約数ペア:

[(1, 20201086800), (2, 10100543400), (3, 6733695600), (4, 5050271700), (5, 4040217360), (6, 3366847800), (8, 2525135850), (9, 2244565200), (10, 2020108680), (12, 1683423900), (15, 1346739120), (16, 1262567925), (18, 1122282600), (20, 1010054340), (24, 841711950), (25, 808043472), (27, 748188400), (29, 696589200), (30, 673369560), (36, 561141300), (40, 505027170), (45, 448913040), (48, 420855975), (50, 404021736), (54, 374094200), (58, 348294600), (60, 336684780), (72, 280570650), (75, 269347824), (80, 252513585), (87, 232196400), (90, 224456520), (100, 202010868), (108, 187047100), (116, 174147300), (120, 168342390), (135, 149637680), (144, 140285325), (145, 139317840), (150, 134673912), (174, 116098200), (180, 112228260), (200, 101005434), (216, 93523550), (225, 89782608), (232, 87073650), (240, 84171195), (261, 77398800), (270, 74818840), (290, 69658920), (300, 67336956), (348, 58049100), (360, 56114130), (400, 50502717), (432, 46761775), (435, 46439280), (450, 44891304), (464, 43536825), (522, 38699400), (540, 37409420), (580, 34829460), (600, 33668478), (675, 29927536), (696, 29024550), (720, 28057065), (725, 27863568), (783, 25799600), (870, 23219640), (900, 22445652), (1044, 19349700), (1080, 18704710), (1160, 17414730), (1200, 16834239), (1305, 15479760), (1350, 14963768), (1392, 14512275), (1450, 13931784), (1566, 12899800), (1740, 11609820), (1800, 11222826), (2088, 9674850), (2160, 9352355), (2175, 9287856), (2320, 8707365), (2610, 7739880), (2700, 7481884), (2900, 6965892), (3132, 6449900), (3480, 5804910), (3600, 5611413), (3915, 5159920), (4176, 4837425), (4350, 4643928), (5220, 3869940), (5400, 3740942), (5800, 3482946), (6264, 3224950), (6525, 3095952), (6960, 2902455), (7830, 2579960), (8700, 2321964), (10440, 1934970), (10800, 1870471), (11600, 1741473), (12528, 1612475), (13050, 1547976), (15660, 1289980), (17400, 1160982), (19575, 1031984), (20880, 967485), (26100, 773988), (31320, 644990), (34800, 580491), (39150, 515992), (52200, 386994), (62640, 322495), (64499, 313200), (78300, 257996), (104400, 193497), (128998, 156600)]