1981200000

素因数分解:

$2^7\times 3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 384

約数和(自身を含む): 7139543040

約数和(自身を除く): 5158343040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 127, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 254, 260, 300, 312, 320, 325, 375, 381, 384, 390, 400, 416, 480, 500, 508, 520, 600, 624, 625, 635, 640, 650, 750, 762, 780, 800, 832, 960, 975, 1000, 1016, 1040, 1200, 1248, 1250, 1270, 1300, 1500, 1524, 1560, 1600, 1625, 1651, 1664, 1875, 1905, 1920, 1950, 2000, 2032, 2080, 2400, 2496, 2500, 2540, 2600, 3000, 3048, 3120, 3125, 3175, 3200, 3250, 3302, 3750, 3810, 3900, 4000, 4064, 4160, 4800, 4875, 4953, 4992, 5000, 5080, 5200, 6000, 6096, 6240, 6250, 6350, 6500, 6604, 7500, 7620, 7800, 8000, 8125, 8128, 8255, 8320, 9375, 9525, 9600, 9750, 9906, 10000, 10160, 10400, 12000, 12192, 12480, 12500, 12700, 13000, 13208, 15000, 15240, 15600, 15875, 16000, 16250, 16256, 16510, 18750, 19050, 19500, 19812, 20000, 20320, 20800, 24000, 24375, 24384, 24765, 24960, 25000, 25400, 26000, 26416, 30000, 30480, 31200, 31750, 32500, 33020, 37500, 38100, 39000, 39624, 40000, 40625, 40640, 41275, 41600, 47625, 48000, 48750, 48768, 49530, 50000, 50800, 52000, 52832, 60000, 60960, 62400, 63500, 65000, 66040, 75000, 76200, 78000, 79248, 79375, 80000, 81250, 81280, 82550, 95250, 97500, 99060, 100000, 101600, 104000, 105664, 120000, 121875, 121920, 123825, 124800, 127000, 130000, 132080, 150000, 152400, 156000, 158496, 158750, 162500, 165100, 190500, 195000, 198120, 200000, 203200, 206375, 208000, 211328, 238125, 240000, 243750, 243840, 247650, 254000, 260000, 264160, 300000, 304800, 312000, 316992, 317500, 325000, 330200, 381000, 390000, 396240, 396875, 400000, 406400, 412750, 476250, 487500, 495300, 508000, 520000, 528320, 600000, 609600, 619125, 624000, 633984, 635000, 650000, 660400, 762000, 780000, 792480, 793750, 825500, 952500, 975000, 990600, 1016000, 1031875, 1040000, 1056640, 1190625, 1200000, 1219200, 1238250, 1270000, 1300000, 1320800, 1524000, 1560000, 1584960, 1587500, 1651000, 1905000, 1950000, 1981200, 2032000, 2063750, 2381250, 2476500, 2540000, 2600000, 2641600, 3048000, 3095625, 3120000, 3169920, 3175000, 3302000, 3810000, 3900000, 3962400, 4127500, 4762500, 4953000, 5080000, 5159375, 5200000, 5283200, 6096000, 6191250, 6350000, 6604000, 7620000, 7800000, 7924800, 8255000, 9525000, 9906000, 10160000, 10318750, 12382500, 12700000, 13208000, 15240000, 15478125, 15600000, 15849600, 16510000, 19050000, 19812000, 20637500, 24765000, 25400000, 26416000, 30480000, 30956250, 33020000, 38100000, 39624000, 41275000, 49530000, 50800000, 61912500, 66040000, 76200000, 79248000, 82550000, 99060000, 123825000, 132080000, 152400000, 165100000, 198120000, 247650000, 330200000, 396240000, 495300000, 660400000, 990600000, 1981200000]

約数ペア:

[(1, 1981200000), (2, 990600000), (3, 660400000), (4, 495300000), (5, 396240000), (6, 330200000), (8, 247650000), (10, 198120000), (12, 165100000), (13, 152400000), (15, 132080000), (16, 123825000), (20, 99060000), (24, 82550000), (25, 79248000), (26, 76200000), (30, 66040000), (32, 61912500), (39, 50800000), (40, 49530000), (48, 41275000), (50, 39624000), (52, 38100000), (60, 33020000), (64, 30956250), (65, 30480000), (75, 26416000), (78, 25400000), (80, 24765000), (96, 20637500), (100, 19812000), (104, 19050000), (120, 16510000), (125, 15849600), (127, 15600000), (128, 15478125), (130, 15240000), (150, 13208000), (156, 12700000), (160, 12382500), (192, 10318750), (195, 10160000), (200, 9906000), (208, 9525000), (240, 8255000), (250, 7924800), (254, 7800000), (260, 7620000), (300, 6604000), (312, 6350000), (320, 6191250), (325, 6096000), (375, 5283200), (381, 5200000), (384, 5159375), (390, 5080000), (400, 4953000), (416, 4762500), (480, 4127500), (500, 3962400), (508, 3900000), (520, 3810000), (600, 3302000), (624, 3175000), (625, 3169920), (635, 3120000), (640, 3095625), (650, 3048000), (750, 2641600), (762, 2600000), (780, 2540000), (800, 2476500), (832, 2381250), (960, 2063750), (975, 2032000), (1000, 1981200), (1016, 1950000), (1040, 1905000), (1200, 1651000), (1248, 1587500), (1250, 1584960), (1270, 1560000), (1300, 1524000), (1500, 1320800), (1524, 1300000), (1560, 1270000), (1600, 1238250), (1625, 1219200), (1651, 1200000), (1664, 1190625), (1875, 1056640), (1905, 1040000), (1920, 1031875), (1950, 1016000), (2000, 990600), (2032, 975000), (2080, 952500), (2400, 825500), (2496, 793750), (2500, 792480), (2540, 780000), (2600, 762000), (3000, 660400), (3048, 650000), (3120, 635000), (3125, 633984), (3175, 624000), (3200, 619125), (3250, 609600), (3302, 600000), (3750, 528320), (3810, 520000), (3900, 508000), (4000, 495300), (4064, 487500), (4160, 476250), (4800, 412750), (4875, 406400), (4953, 400000), (4992, 396875), (5000, 396240), (5080, 390000), (5200, 381000), (6000, 330200), (6096, 325000), (6240, 317500), (6250, 316992), (6350, 312000), (6500, 304800), (6604, 300000), (7500, 264160), (7620, 260000), (7800, 254000), (8000, 247650), (8125, 243840), (8128, 243750), (8255, 240000), (8320, 238125), (9375, 211328), (9525, 208000), (9600, 206375), (9750, 203200), (9906, 200000), (10000, 198120), (10160, 195000), (10400, 190500), (12000, 165100), (12192, 162500), (12480, 158750), (12500, 158496), (12700, 156000), (13000, 152400), (13208, 150000), (15000, 132080), (15240, 130000), (15600, 127000), (15875, 124800), (16000, 123825), (16250, 121920), (16256, 121875), (16510, 120000), (18750, 105664), (19050, 104000), (19500, 101600), (19812, 100000), (20000, 99060), (20320, 97500), (20800, 95250), (24000, 82550), (24375, 81280), (24384, 81250), (24765, 80000), (24960, 79375), (25000, 79248), (25400, 78000), (26000, 76200), (26416, 75000), (30000, 66040), (30480, 65000), (31200, 63500), (31750, 62400), (32500, 60960), (33020, 60000), (37500, 52832), (38100, 52000), (39000, 50800), (39624, 50000), (40000, 49530), (40625, 48768), (40640, 48750), (41275, 48000), (41600, 47625)]