81900000

素因数分解:

$2^5\times 3^2\times 5^5\times 7^1\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 432

約数和(自身を含む): 358289568

約数和(自身を除く): 276389568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 50, 52, 56, 60, 63, 65, 70, 72, 75, 78, 80, 84, 90, 91, 96, 100, 104, 105, 112, 117, 120, 125, 126, 130, 140, 144, 150, 156, 160, 168, 175, 180, 182, 195, 200, 208, 210, 224, 225, 234, 240, 250, 252, 260, 273, 280, 288, 300, 312, 315, 325, 336, 350, 360, 364, 375, 390, 400, 416, 420, 450, 455, 468, 480, 500, 504, 520, 525, 546, 560, 585, 600, 624, 625, 630, 650, 672, 700, 720, 728, 750, 780, 800, 819, 840, 875, 900, 910, 936, 975, 1000, 1008, 1040, 1050, 1092, 1120, 1125, 1170, 1200, 1248, 1250, 1260, 1300, 1365, 1400, 1440, 1456, 1500, 1560, 1575, 1625, 1638, 1680, 1750, 1800, 1820, 1872, 1875, 1950, 2000, 2016, 2080, 2100, 2184, 2250, 2275, 2340, 2400, 2500, 2520, 2600, 2625, 2730, 2800, 2912, 2925, 3000, 3120, 3125, 3150, 3250, 3276, 3360, 3500, 3600, 3640, 3744, 3750, 3900, 4000, 4095, 4200, 4368, 4375, 4500, 4550, 4680, 4875, 5000, 5040, 5200, 5250, 5460, 5600, 5625, 5850, 6000, 6240, 6250, 6300, 6500, 6552, 6825, 7000, 7200, 7280, 7500, 7800, 7875, 8125, 8190, 8400, 8736, 8750, 9000, 9100, 9360, 9375, 9750, 10000, 10080, 10400, 10500, 10920, 11250, 11375, 11700, 12000, 12500, 12600, 13000, 13104, 13125, 13650, 14000, 14560, 14625, 15000, 15600, 15750, 16250, 16380, 16800, 17500, 18000, 18200, 18720, 18750, 19500, 20000, 20475, 21000, 21840, 21875, 22500, 22750, 23400, 24375, 25000, 25200, 26000, 26208, 26250, 27300, 28000, 28125, 29250, 30000, 31200, 31500, 32500, 32760, 34125, 35000, 36000, 36400, 37500, 39000, 39375, 40625, 40950, 42000, 43680, 43750, 45000, 45500, 46800, 48750, 50000, 50400, 52000, 52500, 54600, 56250, 56875, 58500, 60000, 63000, 65000, 65520, 65625, 68250, 70000, 72800, 73125, 75000, 78000, 78750, 81250, 81900, 84000, 87500, 90000, 91000, 93600, 97500, 100000, 102375, 105000, 109200, 112500, 113750, 117000, 121875, 126000, 130000, 131040, 131250, 136500, 140000, 146250, 150000, 156000, 157500, 162500, 163800, 170625, 175000, 180000, 182000, 195000, 196875, 204750, 210000, 218400, 225000, 227500, 234000, 243750, 252000, 260000, 262500, 273000, 284375, 292500, 300000, 315000, 325000, 327600, 341250, 350000, 364000, 365625, 390000, 393750, 409500, 420000, 450000, 455000, 468000, 487500, 511875, 525000, 546000, 568750, 585000, 630000, 650000, 655200, 682500, 700000, 731250, 780000, 787500, 819000, 853125, 900000, 910000, 975000, 1023750, 1050000, 1092000, 1137500, 1170000, 1260000, 1300000, 1365000, 1462500, 1575000, 1638000, 1706250, 1820000, 1950000, 2047500, 2100000, 2275000, 2340000, 2559375, 2730000, 2925000, 3150000, 3276000, 3412500, 3900000, 4095000, 4550000, 5118750, 5460000, 5850000, 6300000, 6825000, 8190000, 9100000, 10237500, 11700000, 13650000, 16380000, 20475000, 27300000, 40950000, 81900000]

約数ペア:

[(1, 81900000), (2, 40950000), (3, 27300000), (4, 20475000), (5, 16380000), (6, 13650000), (7, 11700000), (8, 10237500), (9, 9100000), (10, 8190000), (12, 6825000), (13, 6300000), (14, 5850000), (15, 5460000), (16, 5118750), (18, 4550000), (20, 4095000), (21, 3900000), (24, 3412500), (25, 3276000), (26, 3150000), (28, 2925000), (30, 2730000), (32, 2559375), (35, 2340000), (36, 2275000), (39, 2100000), (40, 2047500), (42, 1950000), (45, 1820000), (48, 1706250), (50, 1638000), (52, 1575000), (56, 1462500), (60, 1365000), (63, 1300000), (65, 1260000), (70, 1170000), (72, 1137500), (75, 1092000), (78, 1050000), (80, 1023750), (84, 975000), (90, 910000), (91, 900000), (96, 853125), (100, 819000), (104, 787500), (105, 780000), (112, 731250), (117, 700000), (120, 682500), (125, 655200), (126, 650000), (130, 630000), (140, 585000), (144, 568750), (150, 546000), (156, 525000), (160, 511875), (168, 487500), (175, 468000), (180, 455000), (182, 450000), (195, 420000), (200, 409500), (208, 393750), (210, 390000), (224, 365625), (225, 364000), (234, 350000), (240, 341250), (250, 327600), (252, 325000), (260, 315000), (273, 300000), (280, 292500), (288, 284375), (300, 273000), (312, 262500), (315, 260000), (325, 252000), (336, 243750), (350, 234000), (360, 227500), (364, 225000), (375, 218400), (390, 210000), (400, 204750), (416, 196875), (420, 195000), (450, 182000), (455, 180000), (468, 175000), (480, 170625), (500, 163800), (504, 162500), (520, 157500), (525, 156000), (546, 150000), (560, 146250), (585, 140000), (600, 136500), (624, 131250), (625, 131040), (630, 130000), (650, 126000), (672, 121875), (700, 117000), (720, 113750), (728, 112500), (750, 109200), (780, 105000), (800, 102375), (819, 100000), (840, 97500), (875, 93600), (900, 91000), (910, 90000), (936, 87500), (975, 84000), (1000, 81900), (1008, 81250), (1040, 78750), (1050, 78000), (1092, 75000), (1120, 73125), (1125, 72800), (1170, 70000), (1200, 68250), (1248, 65625), (1250, 65520), (1260, 65000), (1300, 63000), (1365, 60000), (1400, 58500), (1440, 56875), (1456, 56250), (1500, 54600), (1560, 52500), (1575, 52000), (1625, 50400), (1638, 50000), (1680, 48750), (1750, 46800), (1800, 45500), (1820, 45000), (1872, 43750), (1875, 43680), (1950, 42000), (2000, 40950), (2016, 40625), (2080, 39375), (2100, 39000), (2184, 37500), (2250, 36400), (2275, 36000), (2340, 35000), (2400, 34125), (2500, 32760), (2520, 32500), (2600, 31500), (2625, 31200), (2730, 30000), (2800, 29250), (2912, 28125), (2925, 28000), (3000, 27300), (3120, 26250), (3125, 26208), (3150, 26000), (3250, 25200), (3276, 25000), (3360, 24375), (3500, 23400), (3600, 22750), (3640, 22500), (3744, 21875), (3750, 21840), (3900, 21000), (4000, 20475), (4095, 20000), (4200, 19500), (4368, 18750), (4375, 18720), (4500, 18200), (4550, 18000), (4680, 17500), (4875, 16800), (5000, 16380), (5040, 16250), (5200, 15750), (5250, 15600), (5460, 15000), (5600, 14625), (5625, 14560), (5850, 14000), (6000, 13650), (6240, 13125), (6250, 13104), (6300, 13000), (6500, 12600), (6552, 12500), (6825, 12000), (7000, 11700), (7200, 11375), (7280, 11250), (7500, 10920), (7800, 10500), (7875, 10400), (8125, 10080), (8190, 10000), (8400, 9750), (8736, 9375), (8750, 9360), (9000, 9100)]