20671200

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 360

約数和(自身を含む): 85072680

約数和(自身を除く): 64401480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 27, 29, 30, 32, 33, 36, 40, 44, 45, 48, 50, 54, 55, 58, 60, 66, 72, 75, 80, 81, 87, 88, 90, 96, 99, 100, 108, 110, 116, 120, 132, 135, 144, 145, 150, 160, 162, 165, 174, 176, 180, 198, 200, 216, 220, 225, 232, 240, 261, 264, 270, 275, 288, 290, 297, 300, 319, 324, 330, 348, 352, 360, 396, 400, 405, 432, 435, 440, 450, 464, 480, 495, 522, 528, 540, 550, 580, 594, 600, 638, 648, 660, 675, 696, 720, 725, 783, 792, 800, 810, 825, 864, 870, 880, 891, 900, 928, 957, 990, 1044, 1056, 1080, 1100, 1160, 1188, 1200, 1276, 1296, 1305, 1320, 1350, 1392, 1440, 1450, 1485, 1566, 1584, 1595, 1620, 1650, 1740, 1760, 1782, 1800, 1914, 1980, 2025, 2088, 2160, 2175, 2200, 2320, 2349, 2376, 2400, 2475, 2552, 2592, 2610, 2640, 2700, 2784, 2871, 2900, 2970, 3132, 3168, 3190, 3240, 3300, 3480, 3564, 3600, 3828, 3915, 3960, 4050, 4176, 4320, 4350, 4400, 4455, 4640, 4698, 4752, 4785, 4950, 5104, 5220, 5280, 5400, 5742, 5800, 5940, 6264, 6380, 6480, 6525, 6600, 6960, 7128, 7200, 7425, 7656, 7830, 7920, 7975, 8100, 8352, 8613, 8700, 8800, 8910, 9396, 9504, 9570, 9900, 10208, 10440, 10800, 11484, 11600, 11745, 11880, 12528, 12760, 12960, 13050, 13200, 13920, 14256, 14355, 14850, 15312, 15660, 15840, 15950, 16200, 17226, 17400, 17820, 18792, 19140, 19575, 19800, 20880, 21600, 22275, 22968, 23200, 23490, 23760, 23925, 25056, 25520, 25839, 26100, 26400, 28512, 28710, 29700, 30624, 31320, 31900, 32400, 34452, 34800, 35640, 37584, 38280, 39150, 39600, 41760, 43065, 44550, 45936, 46980, 47520, 47850, 51040, 51678, 52200, 57420, 58725, 59400, 62640, 63800, 64800, 68904, 69600, 71280, 71775, 75168, 76560, 78300, 79200, 86130, 89100, 91872, 93960, 95700, 103356, 104400, 114840, 117450, 118800, 125280, 127600, 129195, 137808, 142560, 143550, 153120, 156600, 172260, 178200, 187920, 191400, 206712, 208800, 215325, 229680, 234900, 237600, 255200, 258390, 275616, 287100, 313200, 344520, 356400, 375840, 382800, 413424, 430650, 459360, 469800, 516780, 574200, 626400, 645975, 689040, 712800, 765600, 826848, 861300, 939600, 1033560, 1148400, 1291950, 1378080, 1722600, 1879200, 2067120, 2296800, 2583900, 3445200, 4134240, 5167800, 6890400, 10335600, 20671200]

約数ペア:

[(1, 20671200), (2, 10335600), (3, 6890400), (4, 5167800), (5, 4134240), (6, 3445200), (8, 2583900), (9, 2296800), (10, 2067120), (11, 1879200), (12, 1722600), (15, 1378080), (16, 1291950), (18, 1148400), (20, 1033560), (22, 939600), (24, 861300), (25, 826848), (27, 765600), (29, 712800), (30, 689040), (32, 645975), (33, 626400), (36, 574200), (40, 516780), (44, 469800), (45, 459360), (48, 430650), (50, 413424), (54, 382800), (55, 375840), (58, 356400), (60, 344520), (66, 313200), (72, 287100), (75, 275616), (80, 258390), (81, 255200), (87, 237600), (88, 234900), (90, 229680), (96, 215325), (99, 208800), (100, 206712), (108, 191400), (110, 187920), (116, 178200), (120, 172260), (132, 156600), (135, 153120), (144, 143550), (145, 142560), (150, 137808), (160, 129195), (162, 127600), (165, 125280), (174, 118800), (176, 117450), (180, 114840), (198, 104400), (200, 103356), (216, 95700), (220, 93960), (225, 91872), (232, 89100), (240, 86130), (261, 79200), (264, 78300), (270, 76560), (275, 75168), (288, 71775), (290, 71280), (297, 69600), (300, 68904), (319, 64800), (324, 63800), (330, 62640), (348, 59400), (352, 58725), (360, 57420), (396, 52200), (400, 51678), (405, 51040), (432, 47850), (435, 47520), (440, 46980), (450, 45936), (464, 44550), (480, 43065), (495, 41760), (522, 39600), (528, 39150), (540, 38280), (550, 37584), (580, 35640), (594, 34800), (600, 34452), (638, 32400), (648, 31900), (660, 31320), (675, 30624), (696, 29700), (720, 28710), (725, 28512), (783, 26400), (792, 26100), (800, 25839), (810, 25520), (825, 25056), (864, 23925), (870, 23760), (880, 23490), (891, 23200), (900, 22968), (928, 22275), (957, 21600), (990, 20880), (1044, 19800), (1056, 19575), (1080, 19140), (1100, 18792), (1160, 17820), (1188, 17400), (1200, 17226), (1276, 16200), (1296, 15950), (1305, 15840), (1320, 15660), (1350, 15312), (1392, 14850), (1440, 14355), (1450, 14256), (1485, 13920), (1566, 13200), (1584, 13050), (1595, 12960), (1620, 12760), (1650, 12528), (1740, 11880), (1760, 11745), (1782, 11600), (1800, 11484), (1914, 10800), (1980, 10440), (2025, 10208), (2088, 9900), (2160, 9570), (2175, 9504), (2200, 9396), (2320, 8910), (2349, 8800), (2376, 8700), (2400, 8613), (2475, 8352), (2552, 8100), (2592, 7975), (2610, 7920), (2640, 7830), (2700, 7656), (2784, 7425), (2871, 7200), (2900, 7128), (2970, 6960), (3132, 6600), (3168, 6525), (3190, 6480), (3240, 6380), (3300, 6264), (3480, 5940), (3564, 5800), (3600, 5742), (3828, 5400), (3915, 5280), (3960, 5220), (4050, 5104), (4176, 4950), (4320, 4785), (4350, 4752), (4400, 4698), (4455, 4640)]