20181000000

素因数分解:

$2^6\times 3^1\times 5^6\times 7^1\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 588

約数和(自身を含む): 78818366112

約数和(自身を除く): 58637366112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 32, 35, 40, 42, 48, 50, 56, 60, 62, 64, 70, 75, 80, 84, 93, 96, 100, 105, 112, 120, 124, 125, 140, 150, 155, 160, 168, 175, 186, 192, 200, 210, 217, 224, 240, 248, 250, 280, 300, 310, 320, 336, 350, 372, 375, 400, 420, 434, 448, 465, 480, 496, 500, 525, 560, 600, 620, 625, 651, 672, 700, 744, 750, 775, 800, 840, 868, 875, 930, 960, 961, 992, 1000, 1050, 1085, 1120, 1200, 1240, 1250, 1302, 1344, 1400, 1488, 1500, 1550, 1600, 1680, 1736, 1750, 1860, 1875, 1922, 1984, 2000, 2100, 2170, 2240, 2325, 2400, 2480, 2500, 2604, 2625, 2800, 2883, 2976, 3000, 3100, 3125, 3255, 3360, 3472, 3500, 3720, 3750, 3844, 3875, 4000, 4200, 4340, 4375, 4650, 4800, 4805, 4960, 5000, 5208, 5250, 5425, 5600, 5766, 5952, 6000, 6200, 6250, 6510, 6720, 6727, 6944, 7000, 7440, 7500, 7688, 7750, 8000, 8400, 8680, 8750, 9300, 9375, 9610, 9920, 10000, 10416, 10500, 10850, 11200, 11532, 11625, 12000, 12400, 12500, 13020, 13125, 13454, 13888, 14000, 14415, 14880, 15000, 15376, 15500, 15625, 16275, 16800, 17360, 17500, 18600, 18750, 19220, 19375, 20000, 20181, 20832, 21000, 21700, 21875, 23064, 23250, 24000, 24025, 24800, 25000, 26040, 26250, 26908, 27125, 28000, 28830, 29760, 30000, 30752, 31000, 31250, 32550, 33600, 33635, 34720, 35000, 37200, 37500, 38440, 38750, 40000, 40362, 41664, 42000, 43400, 43750, 46128, 46500, 46875, 48050, 49600, 50000, 52080, 52500, 53816, 54250, 56000, 57660, 58125, 60000, 61504, 62000, 62500, 65100, 65625, 67270, 69440, 70000, 72075, 74400, 75000, 76880, 77500, 80724, 81375, 84000, 86800, 87500, 92256, 93000, 93750, 96100, 96875, 100000, 100905, 104160, 105000, 107632, 108500, 109375, 115320, 116250, 120000, 120125, 124000, 125000, 130200, 131250, 134540, 135625, 140000, 144150, 148800, 150000, 153760, 155000, 161448, 162750, 168000, 168175, 173600, 175000, 184512, 186000, 187500, 192200, 193750, 200000, 201810, 208320, 210000, 215264, 217000, 218750, 230640, 232500, 240250, 248000, 250000, 260400, 262500, 269080, 271250, 280000, 288300, 290625, 300000, 307520, 310000, 322896, 325500, 328125, 336350, 347200, 350000, 360375, 372000, 375000, 384400, 387500, 403620, 406875, 420000, 430528, 434000, 437500, 461280, 465000, 480500, 484375, 500000, 504525, 520800, 525000, 538160, 542500, 576600, 581250, 600000, 600625, 620000, 645792, 651000, 656250, 672700, 678125, 700000, 720750, 744000, 750000, 768800, 775000, 807240, 813750, 840000, 840875, 868000, 875000, 922560, 930000, 961000, 968750, 1000000, 1009050, 1041600, 1050000, 1076320, 1085000, 1153200, 1162500, 1201250, 1240000, 1291584, 1302000, 1312500, 1345400, 1356250, 1400000, 1441500, 1453125, 1500000, 1537600, 1550000, 1614480, 1627500, 1681750, 1736000, 1750000, 1801875, 1860000, 1922000, 1937500, 2018100, 2034375, 2100000, 2152640, 2170000, 2306400, 2325000, 2402500, 2522625, 2604000, 2625000, 2690800, 2712500, 2883000, 2906250, 3000000, 3003125, 3100000, 3228960, 3255000, 3363500, 3390625, 3500000, 3603750, 3720000, 3844000, 3875000, 4036200, 4068750, 4200000, 4204375, 4340000, 4612800, 4650000, 4805000, 5045250, 5208000, 5250000, 5381600, 5425000, 5766000, 5812500, 6006250, 6200000, 6457920, 6510000, 6727000, 6781250, 7000000, 7207500, 7688000, 7750000, 8072400, 8137500, 8408750, 8680000, 9009375, 9300000, 9610000, 10090500, 10171875, 10500000, 10763200, 10850000, 11532000, 11625000, 12012500, 12613125, 13020000, 13454000, 13562500, 14415000, 15015625, 15500000, 16144800, 16275000, 16817500, 18018750, 18600000, 19220000, 20181000, 20343750, 21000000, 21021875, 21700000, 23064000, 23250000, 24025000, 25226250, 26040000, 26908000, 27125000, 28830000, 30031250, 31000000, 32289600, 32550000, 33635000, 36037500, 38440000, 40362000, 40687500, 42043750, 43400000, 45046875, 46500000, 48050000, 50452500, 53816000, 54250000, 57660000, 60062500, 63065625, 65100000, 67270000, 72075000, 80724000, 81375000, 84087500, 90093750, 93000000, 96100000, 100905000, 105109375, 108500000, 115320000, 120125000, 126131250, 130200000, 134540000, 144150000, 161448000, 162750000, 168175000, 180187500, 192200000, 201810000, 210218750, 217000000, 240250000, 252262500, 269080000, 288300000, 315328125, 325500000, 336350000, 360375000, 403620000, 420437500, 480500000, 504525000, 576600000, 630656250, 651000000, 672700000, 720750000, 807240000, 840875000, 961000000, 1009050000, 1261312500, 1345400000, 1441500000, 1681750000, 2018100000, 2522625000, 2883000000, 3363500000, 4036200000, 5045250000, 6727000000, 10090500000, 20181000000]

約数ペア:

[(1, 20181000000), (2, 10090500000), (3, 6727000000), (4, 5045250000), (5, 4036200000), (6, 3363500000), (7, 2883000000), (8, 2522625000), (10, 2018100000), (12, 1681750000), (14, 1441500000), (15, 1345400000), (16, 1261312500), (20, 1009050000), (21, 961000000), (24, 840875000), (25, 807240000), (28, 720750000), (30, 672700000), (31, 651000000), (32, 630656250), (35, 576600000), (40, 504525000), (42, 480500000), (48, 420437500), (50, 403620000), (56, 360375000), (60, 336350000), (62, 325500000), (64, 315328125), (70, 288300000), (75, 269080000), (80, 252262500), (84, 240250000), (93, 217000000), (96, 210218750), (100, 201810000), (105, 192200000), (112, 180187500), (120, 168175000), (124, 162750000), (125, 161448000), (140, 144150000), (150, 134540000), (155, 130200000), (160, 126131250), (168, 120125000), (175, 115320000), (186, 108500000), (192, 105109375), (200, 100905000), (210, 96100000), (217, 93000000), (224, 90093750), (240, 84087500), (248, 81375000), (250, 80724000), (280, 72075000), (300, 67270000), (310, 65100000), (320, 63065625), (336, 60062500), (350, 57660000), (372, 54250000), (375, 53816000), (400, 50452500), (420, 48050000), (434, 46500000), (448, 45046875), (465, 43400000), (480, 42043750), (496, 40687500), (500, 40362000), (525, 38440000), (560, 36037500), (600, 33635000), (620, 32550000), (625, 32289600), (651, 31000000), (672, 30031250), (700, 28830000), (744, 27125000), (750, 26908000), (775, 26040000), (800, 25226250), (840, 24025000), (868, 23250000), (875, 23064000), (930, 21700000), (960, 21021875), (961, 21000000), (992, 20343750), (1000, 20181000), (1050, 19220000), (1085, 18600000), (1120, 18018750), (1200, 16817500), (1240, 16275000), (1250, 16144800), (1302, 15500000), (1344, 15015625), (1400, 14415000), (1488, 13562500), (1500, 13454000), (1550, 13020000), (1600, 12613125), (1680, 12012500), (1736, 11625000), (1750, 11532000), (1860, 10850000), (1875, 10763200), (1922, 10500000), (1984, 10171875), (2000, 10090500), (2100, 9610000), (2170, 9300000), (2240, 9009375), (2325, 8680000), (2400, 8408750), (2480, 8137500), (2500, 8072400), (2604, 7750000), (2625, 7688000), (2800, 7207500), (2883, 7000000), (2976, 6781250), (3000, 6727000), (3100, 6510000), (3125, 6457920), (3255, 6200000), (3360, 6006250), (3472, 5812500), (3500, 5766000), (3720, 5425000), (3750, 5381600), (3844, 5250000), (3875, 5208000), (4000, 5045250), (4200, 4805000), (4340, 4650000), (4375, 4612800), (4650, 4340000), (4800, 4204375), (4805, 4200000), (4960, 4068750), (5000, 4036200), (5208, 3875000), (5250, 3844000), (5425, 3720000), (5600, 3603750), (5766, 3500000), (5952, 3390625), (6000, 3363500), (6200, 3255000), (6250, 3228960), (6510, 3100000), (6720, 3003125), (6727, 3000000), (6944, 2906250), (7000, 2883000), (7440, 2712500), (7500, 2690800), (7688, 2625000), (7750, 2604000), (8000, 2522625), (8400, 2402500), (8680, 2325000), (8750, 2306400), (9300, 2170000), (9375, 2152640), (9610, 2100000), (9920, 2034375), (10000, 2018100), (10416, 1937500), (10500, 1922000), (10850, 1860000), (11200, 1801875), (11532, 1750000), (11625, 1736000), (12000, 1681750), (12400, 1627500), (12500, 1614480), (13020, 1550000), (13125, 1537600), (13454, 1500000), (13888, 1453125), (14000, 1441500), (14415, 1400000), (14880, 1356250), (15000, 1345400), (15376, 1312500), (15500, 1302000), (15625, 1291584), (16275, 1240000), (16800, 1201250), (17360, 1162500), (17500, 1153200), (18600, 1085000), (18750, 1076320), (19220, 1050000), (19375, 1041600), (20000, 1009050), (20181, 1000000), (20832, 968750), (21000, 961000), (21700, 930000), (21875, 922560), (23064, 875000), (23250, 868000), (24000, 840875), (24025, 840000), (24800, 813750), (25000, 807240), (26040, 775000), (26250, 768800), (26908, 750000), (27125, 744000), (28000, 720750), (28830, 700000), (29760, 678125), (30000, 672700), (30752, 656250), (31000, 651000), (31250, 645792), (32550, 620000), (33600, 600625), (33635, 600000), (34720, 581250), (35000, 576600), (37200, 542500), (37500, 538160), (38440, 525000), (38750, 520800), (40000, 504525), (40362, 500000), (41664, 484375), (42000, 480500), (43400, 465000), (43750, 461280), (46128, 437500), (46500, 434000), (46875, 430528), (48050, 420000), (49600, 406875), (50000, 403620), (52080, 387500), (52500, 384400), (53816, 375000), (54250, 372000), (56000, 360375), (57660, 350000), (58125, 347200), (60000, 336350), (61504, 328125), (62000, 325500), (62500, 322896), (65100, 310000), (65625, 307520), (67270, 300000), (69440, 290625), (70000, 288300), (72075, 280000), (74400, 271250), (75000, 269080), (76880, 262500), (77500, 260400), (80724, 250000), (81375, 248000), (84000, 240250), (86800, 232500), (87500, 230640), (92256, 218750), (93000, 217000), (93750, 215264), (96100, 210000), (96875, 208320), (100000, 201810), (100905, 200000), (104160, 193750), (105000, 192200), (107632, 187500), (108500, 186000), (109375, 184512), (115320, 175000), (116250, 173600), (120000, 168175), (120125, 168000), (124000, 162750), (125000, 161448), (130200, 155000), (131250, 153760), (134540, 150000), (135625, 148800), (140000, 144150)]