20161800000

素因数分解:

$2^6\times 3^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 504

約数和(自身を含む): 75528415872

約数和(自身を除く): 55366615872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 32, 36, 40, 45, 46, 48, 50, 60, 64, 69, 72, 75, 80, 90, 92, 96, 100, 115, 120, 125, 138, 144, 150, 160, 180, 184, 192, 200, 207, 225, 230, 240, 250, 276, 288, 300, 320, 345, 360, 368, 375, 400, 414, 450, 460, 480, 487, 500, 552, 575, 576, 600, 625, 690, 720, 736, 750, 800, 828, 900, 920, 960, 974, 1000, 1035, 1104, 1125, 1150, 1200, 1250, 1380, 1440, 1461, 1472, 1500, 1600, 1656, 1725, 1800, 1840, 1875, 1948, 2000, 2070, 2208, 2250, 2300, 2400, 2435, 2500, 2760, 2875, 2880, 2922, 3000, 3125, 3312, 3450, 3600, 3680, 3750, 3896, 4000, 4140, 4383, 4416, 4500, 4600, 4800, 4870, 5000, 5175, 5520, 5625, 5750, 5844, 6000, 6250, 6624, 6900, 7200, 7305, 7360, 7500, 7792, 8000, 8280, 8625, 8766, 9000, 9200, 9375, 9740, 10000, 10350, 11040, 11201, 11250, 11500, 11688, 12000, 12175, 12500, 13248, 13800, 14375, 14400, 14610, 15000, 15584, 16560, 17250, 17532, 18000, 18400, 18750, 19480, 20000, 20700, 21915, 22080, 22402, 22500, 23000, 23376, 24000, 24350, 25000, 25875, 27600, 28125, 28750, 29220, 30000, 31168, 33120, 33603, 34500, 35064, 36000, 36525, 36800, 37500, 38960, 40000, 41400, 43125, 43830, 44804, 45000, 46000, 46752, 48700, 50000, 51750, 55200, 56005, 56250, 57500, 58440, 60000, 60875, 66240, 67206, 69000, 70128, 71875, 72000, 73050, 75000, 77920, 82800, 86250, 87660, 89608, 90000, 92000, 93504, 97400, 100000, 100809, 103500, 109575, 110400, 112010, 112500, 115000, 116880, 120000, 121750, 129375, 134412, 138000, 140256, 143750, 146100, 150000, 155840, 165600, 168015, 172500, 175320, 179216, 180000, 182625, 184000, 194800, 200000, 201618, 207000, 215625, 219150, 224020, 225000, 230000, 233760, 243500, 258750, 268824, 276000, 280025, 280512, 287500, 292200, 300000, 304375, 331200, 336030, 345000, 350640, 358432, 360000, 365250, 389600, 403236, 414000, 431250, 438300, 448040, 450000, 460000, 467520, 487000, 504045, 517500, 537648, 547875, 552000, 560050, 575000, 584400, 600000, 608750, 646875, 672060, 690000, 701280, 716864, 730500, 779200, 806472, 828000, 840075, 862500, 876600, 896080, 900000, 913125, 920000, 974000, 1008090, 1035000, 1075296, 1095750, 1120100, 1150000, 1168800, 1217500, 1293750, 1344120, 1380000, 1400125, 1402560, 1461000, 1521875, 1612944, 1656000, 1680150, 1725000, 1753200, 1792160, 1800000, 1826250, 1948000, 2016180, 2070000, 2150592, 2191500, 2240200, 2300000, 2337600, 2435000, 2520225, 2587500, 2688240, 2739375, 2760000, 2800250, 2922000, 3043750, 3225888, 3360300, 3450000, 3506400, 3584320, 3652500, 3896000, 4032360, 4140000, 4200375, 4383000, 4480400, 4565625, 4600000, 4870000, 5040450, 5175000, 5376480, 5478750, 5600500, 5844000, 6087500, 6451776, 6720600, 6900000, 7000625, 7012800, 7305000, 8064720, 8280000, 8400750, 8766000, 8960800, 9131250, 9740000, 10080900, 10350000, 10752960, 10957500, 11201000, 11688000, 12175000, 12601125, 13441200, 13696875, 13800000, 14001250, 14610000, 16129440, 16801500, 17532000, 17921600, 18262500, 19480000, 20161800, 20700000, 21001875, 21915000, 22402000, 24350000, 25202250, 26882400, 27393750, 28002500, 29220000, 32258880, 33603000, 35003125, 35064000, 36525000, 40323600, 41400000, 42003750, 43830000, 44804000, 48700000, 50404500, 53764800, 54787500, 56005000, 58440000, 63005625, 67206000, 70006250, 73050000, 80647200, 84007500, 87660000, 89608000, 97400000, 100809000, 105009375, 109575000, 112010000, 126011250, 134412000, 140012500, 146100000, 161294400, 168015000, 175320000, 201618000, 210018750, 219150000, 224020000, 252022500, 268824000, 280025000, 292200000, 315028125, 336030000, 403236000, 420037500, 438300000, 448040000, 504045000, 560050000, 630056250, 672060000, 806472000, 840075000, 876600000, 1008090000, 1120100000, 1260112500, 1344120000, 1680150000, 2016180000, 2240200000, 2520225000, 3360300000, 4032360000, 5040450000, 6720600000, 10080900000, 20161800000]

約数ペア:

[(1, 20161800000), (2, 10080900000), (3, 6720600000), (4, 5040450000), (5, 4032360000), (6, 3360300000), (8, 2520225000), (9, 2240200000), (10, 2016180000), (12, 1680150000), (15, 1344120000), (16, 1260112500), (18, 1120100000), (20, 1008090000), (23, 876600000), (24, 840075000), (25, 806472000), (30, 672060000), (32, 630056250), (36, 560050000), (40, 504045000), (45, 448040000), (46, 438300000), (48, 420037500), (50, 403236000), (60, 336030000), (64, 315028125), (69, 292200000), (72, 280025000), (75, 268824000), (80, 252022500), (90, 224020000), (92, 219150000), (96, 210018750), (100, 201618000), (115, 175320000), (120, 168015000), (125, 161294400), (138, 146100000), (144, 140012500), (150, 134412000), (160, 126011250), (180, 112010000), (184, 109575000), (192, 105009375), (200, 100809000), (207, 97400000), (225, 89608000), (230, 87660000), (240, 84007500), (250, 80647200), (276, 73050000), (288, 70006250), (300, 67206000), (320, 63005625), (345, 58440000), (360, 56005000), (368, 54787500), (375, 53764800), (400, 50404500), (414, 48700000), (450, 44804000), (460, 43830000), (480, 42003750), (487, 41400000), (500, 40323600), (552, 36525000), (575, 35064000), (576, 35003125), (600, 33603000), (625, 32258880), (690, 29220000), (720, 28002500), (736, 27393750), (750, 26882400), (800, 25202250), (828, 24350000), (900, 22402000), (920, 21915000), (960, 21001875), (974, 20700000), (1000, 20161800), (1035, 19480000), (1104, 18262500), (1125, 17921600), (1150, 17532000), (1200, 16801500), (1250, 16129440), (1380, 14610000), (1440, 14001250), (1461, 13800000), (1472, 13696875), (1500, 13441200), (1600, 12601125), (1656, 12175000), (1725, 11688000), (1800, 11201000), (1840, 10957500), (1875, 10752960), (1948, 10350000), (2000, 10080900), (2070, 9740000), (2208, 9131250), (2250, 8960800), (2300, 8766000), (2400, 8400750), (2435, 8280000), (2500, 8064720), (2760, 7305000), (2875, 7012800), (2880, 7000625), (2922, 6900000), (3000, 6720600), (3125, 6451776), (3312, 6087500), (3450, 5844000), (3600, 5600500), (3680, 5478750), (3750, 5376480), (3896, 5175000), (4000, 5040450), (4140, 4870000), (4383, 4600000), (4416, 4565625), (4500, 4480400), (4600, 4383000), (4800, 4200375), (4870, 4140000), (5000, 4032360), (5175, 3896000), (5520, 3652500), (5625, 3584320), (5750, 3506400), (5844, 3450000), (6000, 3360300), (6250, 3225888), (6624, 3043750), (6900, 2922000), (7200, 2800250), (7305, 2760000), (7360, 2739375), (7500, 2688240), (7792, 2587500), (8000, 2520225), (8280, 2435000), (8625, 2337600), (8766, 2300000), (9000, 2240200), (9200, 2191500), (9375, 2150592), (9740, 2070000), (10000, 2016180), (10350, 1948000), (11040, 1826250), (11201, 1800000), (11250, 1792160), (11500, 1753200), (11688, 1725000), (12000, 1680150), (12175, 1656000), (12500, 1612944), (13248, 1521875), (13800, 1461000), (14375, 1402560), (14400, 1400125), (14610, 1380000), (15000, 1344120), (15584, 1293750), (16560, 1217500), (17250, 1168800), (17532, 1150000), (18000, 1120100), (18400, 1095750), (18750, 1075296), (19480, 1035000), (20000, 1008090), (20700, 974000), (21915, 920000), (22080, 913125), (22402, 900000), (22500, 896080), (23000, 876600), (23376, 862500), (24000, 840075), (24350, 828000), (25000, 806472), (25875, 779200), (27600, 730500), (28125, 716864), (28750, 701280), (29220, 690000), (30000, 672060), (31168, 646875), (33120, 608750), (33603, 600000), (34500, 584400), (35064, 575000), (36000, 560050), (36525, 552000), (36800, 547875), (37500, 537648), (38960, 517500), (40000, 504045), (41400, 487000), (43125, 467520), (43830, 460000), (44804, 450000), (45000, 448040), (46000, 438300), (46752, 431250), (48700, 414000), (50000, 403236), (51750, 389600), (55200, 365250), (56005, 360000), (56250, 358432), (57500, 350640), (58440, 345000), (60000, 336030), (60875, 331200), (66240, 304375), (67206, 300000), (69000, 292200), (70128, 287500), (71875, 280512), (72000, 280025), (73050, 276000), (75000, 268824), (77920, 258750), (82800, 243500), (86250, 233760), (87660, 230000), (89608, 225000), (90000, 224020), (92000, 219150), (93504, 215625), (97400, 207000), (100000, 201618), (100809, 200000), (103500, 194800), (109575, 184000), (110400, 182625), (112010, 180000), (112500, 179216), (115000, 175320), (116880, 172500), (120000, 168015), (121750, 165600), (129375, 155840), (134412, 150000), (138000, 146100), (140256, 143750)]