1820988000

素因数分解:

$2^5\times 3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 384

約数和(自身を含む): 7143776640

約数和(自身を除く): 5322788640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 108, 117, 120, 125, 130, 135, 144, 150, 156, 160, 180, 195, 200, 208, 216, 225, 234, 240, 250, 260, 270, 288, 300, 312, 325, 351, 360, 375, 390, 400, 416, 432, 450, 468, 480, 500, 520, 540, 585, 600, 624, 650, 675, 702, 720, 750, 780, 800, 864, 900, 936, 975, 1000, 1040, 1080, 1125, 1170, 1200, 1248, 1297, 1300, 1350, 1404, 1440, 1500, 1560, 1625, 1755, 1800, 1872, 1950, 2000, 2080, 2160, 2250, 2340, 2400, 2594, 2600, 2700, 2808, 2925, 3000, 3120, 3250, 3375, 3510, 3600, 3744, 3891, 3900, 4000, 4320, 4500, 4680, 4875, 5188, 5200, 5400, 5616, 5850, 6000, 6240, 6485, 6500, 6750, 7020, 7200, 7782, 7800, 8775, 9000, 9360, 9750, 10376, 10400, 10800, 11232, 11673, 11700, 12000, 12970, 13000, 13500, 14040, 14625, 15564, 15600, 16861, 17550, 18000, 18720, 19455, 19500, 20752, 21600, 23346, 23400, 25940, 26000, 27000, 28080, 29250, 31128, 31200, 32425, 33722, 35019, 35100, 36000, 38910, 39000, 41504, 43875, 46692, 46800, 50583, 51880, 52000, 54000, 56160, 58365, 58500, 62256, 64850, 67444, 70038, 70200, 77820, 78000, 84305, 87750, 93384, 93600, 97275, 101166, 103760, 108000, 116730, 117000, 124512, 129700, 134888, 140076, 140400, 151749, 155640, 156000, 162125, 168610, 175095, 175500, 186768, 194550, 202332, 207520, 233460, 234000, 252915, 259400, 269776, 280152, 280800, 291825, 303498, 311280, 324250, 337220, 350190, 351000, 373536, 389100, 404664, 421525, 455247, 466920, 468000, 486375, 505830, 518800, 539552, 560304, 583650, 606996, 622560, 648500, 674440, 700380, 702000, 758745, 778200, 809328, 843050, 875475, 910494, 933840, 972750, 1011660, 1037600, 1120608, 1167300, 1213992, 1264575, 1297000, 1348880, 1400760, 1404000, 1459125, 1517490, 1556400, 1618656, 1686100, 1750950, 1820988, 1867680, 1945500, 2023320, 2107625, 2276235, 2334600, 2427984, 2529150, 2594000, 2697760, 2801520, 2918250, 3034980, 3112800, 3372200, 3501900, 3641976, 3793725, 3891000, 4046640, 4215250, 4377375, 4552470, 4669200, 4855968, 5058300, 5188000, 5603040, 5836500, 6069960, 6322875, 6744400, 7003800, 7283952, 7587450, 7782000, 8093280, 8430500, 8754750, 9104940, 9338400, 10116600, 11381175, 11673000, 12139920, 12645750, 13488800, 14007600, 14567904, 15174900, 15564000, 16861000, 17509500, 18209880, 18968625, 20233200, 22762350, 23346000, 24279840, 25291500, 28015200, 30349800, 33722000, 35019000, 36419760, 37937250, 40466400, 45524700, 46692000, 50583000, 56905875, 60699600, 67444000, 70038000, 72839520, 75874500, 91049400, 101166000, 113811750, 121399200, 140076000, 151749000, 182098800, 202332000, 227623500, 303498000, 364197600, 455247000, 606996000, 910494000, 1820988000]

約数ペア:

[(1, 1820988000), (2, 910494000), (3, 606996000), (4, 455247000), (5, 364197600), (6, 303498000), (8, 227623500), (9, 202332000), (10, 182098800), (12, 151749000), (13, 140076000), (15, 121399200), (16, 113811750), (18, 101166000), (20, 91049400), (24, 75874500), (25, 72839520), (26, 70038000), (27, 67444000), (30, 60699600), (32, 56905875), (36, 50583000), (39, 46692000), (40, 45524700), (45, 40466400), (48, 37937250), (50, 36419760), (52, 35019000), (54, 33722000), (60, 30349800), (65, 28015200), (72, 25291500), (75, 24279840), (78, 23346000), (80, 22762350), (90, 20233200), (96, 18968625), (100, 18209880), (104, 17509500), (108, 16861000), (117, 15564000), (120, 15174900), (125, 14567904), (130, 14007600), (135, 13488800), (144, 12645750), (150, 12139920), (156, 11673000), (160, 11381175), (180, 10116600), (195, 9338400), (200, 9104940), (208, 8754750), (216, 8430500), (225, 8093280), (234, 7782000), (240, 7587450), (250, 7283952), (260, 7003800), (270, 6744400), (288, 6322875), (300, 6069960), (312, 5836500), (325, 5603040), (351, 5188000), (360, 5058300), (375, 4855968), (390, 4669200), (400, 4552470), (416, 4377375), (432, 4215250), (450, 4046640), (468, 3891000), (480, 3793725), (500, 3641976), (520, 3501900), (540, 3372200), (585, 3112800), (600, 3034980), (624, 2918250), (650, 2801520), (675, 2697760), (702, 2594000), (720, 2529150), (750, 2427984), (780, 2334600), (800, 2276235), (864, 2107625), (900, 2023320), (936, 1945500), (975, 1867680), (1000, 1820988), (1040, 1750950), (1080, 1686100), (1125, 1618656), (1170, 1556400), (1200, 1517490), (1248, 1459125), (1297, 1404000), (1300, 1400760), (1350, 1348880), (1404, 1297000), (1440, 1264575), (1500, 1213992), (1560, 1167300), (1625, 1120608), (1755, 1037600), (1800, 1011660), (1872, 972750), (1950, 933840), (2000, 910494), (2080, 875475), (2160, 843050), (2250, 809328), (2340, 778200), (2400, 758745), (2594, 702000), (2600, 700380), (2700, 674440), (2808, 648500), (2925, 622560), (3000, 606996), (3120, 583650), (3250, 560304), (3375, 539552), (3510, 518800), (3600, 505830), (3744, 486375), (3891, 468000), (3900, 466920), (4000, 455247), (4320, 421525), (4500, 404664), (4680, 389100), (4875, 373536), (5188, 351000), (5200, 350190), (5400, 337220), (5616, 324250), (5850, 311280), (6000, 303498), (6240, 291825), (6485, 280800), (6500, 280152), (6750, 269776), (7020, 259400), (7200, 252915), (7782, 234000), (7800, 233460), (8775, 207520), (9000, 202332), (9360, 194550), (9750, 186768), (10376, 175500), (10400, 175095), (10800, 168610), (11232, 162125), (11673, 156000), (11700, 155640), (12000, 151749), (12970, 140400), (13000, 140076), (13500, 134888), (14040, 129700), (14625, 124512), (15564, 117000), (15600, 116730), (16861, 108000), (17550, 103760), (18000, 101166), (18720, 97275), (19455, 93600), (19500, 93384), (20752, 87750), (21600, 84305), (23346, 78000), (23400, 77820), (25940, 70200), (26000, 70038), (27000, 67444), (28080, 64850), (29250, 62256), (31128, 58500), (31200, 58365), (32425, 56160), (33722, 54000), (35019, 52000), (35100, 51880), (36000, 50583), (38910, 46800), (39000, 46692), (41504, 43875)]