28728000000

素因数分解:

$2^9\times 3^3\times 5^6\times 7^1\times {\mathrm{19}}^1$

素因数の和:83

約数の個数: 1120

約数和(自身を含む): 127873363200

約数和(自身を除く): 99145363200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 50, 54, 56, 57, 60, 63, 64, 70, 72, 75, 76, 80, 84, 90, 95, 96, 100, 105, 108, 112, 114, 120, 125, 126, 128, 133, 135, 140, 144, 150, 152, 160, 168, 171, 175, 180, 189, 190, 192, 200, 210, 216, 224, 225, 228, 240, 250, 252, 256, 266, 270, 280, 285, 288, 300, 304, 315, 320, 336, 342, 350, 360, 375, 378, 380, 384, 399, 400, 420, 432, 448, 450, 456, 475, 480, 500, 504, 512, 513, 525, 532, 540, 560, 570, 576, 600, 608, 625, 630, 640, 665, 672, 675, 684, 700, 720, 750, 756, 760, 768, 798, 800, 840, 855, 864, 875, 896, 900, 912, 945, 950, 960, 1000, 1008, 1026, 1050, 1064, 1080, 1120, 1125, 1140, 1152, 1197, 1200, 1216, 1250, 1260, 1280, 1330, 1344, 1350, 1368, 1400, 1425, 1440, 1500, 1512, 1520, 1536, 1575, 1596, 1600, 1680, 1710, 1728, 1750, 1792, 1800, 1824, 1875, 1890, 1900, 1920, 1995, 2000, 2016, 2052, 2100, 2128, 2160, 2240, 2250, 2280, 2304, 2375, 2394, 2400, 2432, 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5040000, 5107200, 5130000, 5250000, 5320000, 5343750, 5400000, 5472000, 5600000, 5700000, 5745600, 5906250, 5985000, 6000000, 6048000, 6080000, 6234375, 6300000, 6384000, 6412500, 6566400, 6650000, 6720000, 6750000, 6840000, 7000000, 7125000, 7182000, 7200000, 7481250, 7560000, 7600000, 7660800, 7875000, 7980000, 8000000, 8015625, 8208000, 8312500, 8400000, 8512000, 8550000, 8640000, 8977500, 9000000, 9120000, 9192960, 9450000, 9500000, 9576000, 9975000, 10080000, 10260000, 10500000, 10640000, 10687500, 10800000, 10944000, 11200000, 11221875, 11400000, 11491200, 11812500, 11970000, 12000000, 12096000, 12468750, 12600000, 12768000, 12825000, 13300000, 13500000, 13680000, 14000000, 14250000, 14364000, 14400000, 14962500, 15120000, 15200000, 15321600, 15750000, 15960000, 16031250, 16416000, 16625000, 16800000, 17100000, 17955000, 18000000, 18240000, 18703125, 18900000, 19000000, 19152000, 19950000, 20160000, 20520000, 21000000, 21280000, 21375000, 21600000, 22443750, 22800000, 22982400, 23625000, 23940000, 24000000, 24937500, 25200000, 25536000, 25650000, 26600000, 27000000, 27360000, 28000000, 28500000, 28728000, 29925000, 30240000, 30400000, 31500000, 31920000, 32062500, 32832000, 33250000, 33600000, 34200000, 35910000, 36000000, 37406250, 37800000, 38000000, 38304000, 39900000, 41040000, 42000000, 42560000, 42750000, 43200000, 44887500, 45600000, 45964800, 47250000, 47880000, 49875000, 50400000, 51300000, 53200000, 54000000, 54720000, 56000000, 56109375, 57000000, 57456000, 59850000, 60480000, 63000000, 63840000, 64125000, 66500000, 68400000, 71820000, 72000000, 74812500, 75600000, 76000000, 76608000, 79800000, 82080000, 84000000, 85500000, 89775000, 91200000, 94500000, 95760000, 99750000, 100800000, 102600000, 106400000, 108000000, 112218750, 114000000, 114912000, 119700000, 126000000, 127680000, 128250000, 133000000, 136800000, 143640000, 149625000, 151200000, 152000000, 159600000, 164160000, 168000000, 171000000, 179550000, 189000000, 191520000, 199500000, 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約数ペア:

[(1, 28728000000), (2, 14364000000), (3, 9576000000), (4, 7182000000), (5, 5745600000), (6, 4788000000), (7, 4104000000), (8, 3591000000), (9, 3192000000), (10, 2872800000), (12, 2394000000), (14, 2052000000), (15, 1915200000), (16, 1795500000), (18, 1596000000), (19, 1512000000), (20, 1436400000), (21, 1368000000), (24, 1197000000), (25, 1149120000), (27, 1064000000), (28, 1026000000), (30, 957600000), (32, 897750000), (35, 820800000), (36, 798000000), (38, 756000000), (40, 718200000), (42, 684000000), (45, 638400000), (48, 598500000), (50, 574560000), (54, 532000000), (56, 513000000), (57, 504000000), (60, 478800000), (63, 456000000), (64, 448875000), (70, 410400000), (72, 399000000), (75, 383040000), (76, 378000000), (80, 359100000), (84, 342000000), (90, 319200000), (95, 302400000), (96, 299250000), (100, 287280000), (105, 273600000), (108, 266000000), (112, 256500000), (114, 252000000), (120, 239400000), (125, 229824000), (126, 228000000), (128, 224437500), (133, 216000000), (135, 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