639840000

素因数分解:

$2^8\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 360

約数和(自身を含む): 2247680512

約数和(自身を除く): 1607840512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 43, 48, 50, 60, 62, 64, 75, 80, 86, 93, 96, 100, 120, 124, 125, 128, 129, 150, 155, 160, 172, 186, 192, 200, 215, 240, 248, 250, 256, 258, 300, 310, 320, 344, 372, 375, 384, 400, 430, 465, 480, 496, 500, 516, 600, 620, 625, 640, 645, 688, 744, 750, 768, 775, 800, 860, 930, 960, 992, 1000, 1032, 1075, 1200, 1240, 1250, 1280, 1290, 1333, 1376, 1488, 1500, 1550, 1600, 1720, 1860, 1875, 1920, 1984, 2000, 2064, 2150, 2325, 2400, 2480, 2500, 2580, 2666, 2752, 2976, 3000, 3100, 3200, 3225, 3440, 3720, 3750, 3840, 3875, 3968, 3999, 4000, 4128, 4300, 4650, 4800, 4960, 5000, 5160, 5332, 5375, 5504, 5952, 6000, 6200, 6400, 6450, 6665, 6880, 7440, 7500, 7750, 7936, 7998, 8000, 8256, 8600, 9300, 9600, 9920, 10000, 10320, 10664, 10750, 11008, 11625, 11904, 12000, 12400, 12900, 13330, 13760, 14880, 15000, 15500, 15996, 16000, 16125, 16512, 17200, 18600, 19200, 19375, 19840, 19995, 20000, 20640, 21328, 21500, 23250, 23808, 24000, 24800, 25800, 26660, 26875, 27520, 29760, 30000, 31000, 31992, 32000, 32250, 33024, 33325, 34400, 37200, 38750, 39680, 39990, 40000, 41280, 42656, 43000, 46500, 48000, 49600, 51600, 53320, 53750, 55040, 58125, 59520, 60000, 62000, 63984, 64500, 66650, 68800, 74400, 77500, 79980, 80000, 80625, 82560, 85312, 86000, 93000, 96000, 99200, 99975, 103200, 106640, 107500, 116250, 119040, 120000, 124000, 127968, 129000, 133300, 137600, 148800, 155000, 159960, 160000, 161250, 165120, 166625, 170624, 172000, 186000, 198400, 199950, 206400, 213280, 215000, 232500, 240000, 248000, 255936, 258000, 266600, 275200, 297600, 310000, 319920, 322500, 333250, 341248, 344000, 372000, 399900, 412800, 426560, 430000, 465000, 480000, 496000, 499875, 511872, 516000, 533200, 595200, 620000, 639840, 645000, 666500, 688000, 744000, 799800, 825600, 833125, 853120, 860000, 930000, 992000, 999750, 1023744, 1032000, 1066400, 1240000, 1279680, 1290000, 1333000, 1376000, 1488000, 1599600, 1666250, 1706240, 1720000, 1860000, 1999500, 2064000, 2132800, 2480000, 2499375, 2559360, 2580000, 2666000, 2976000, 3199200, 3332500, 3440000, 3720000, 3999000, 4128000, 4265600, 4960000, 4998750, 5118720, 5160000, 5332000, 6398400, 6665000, 6880000, 7440000, 7998000, 8531200, 9997500, 10320000, 10664000, 12796800, 13330000, 14880000, 15996000, 19995000, 20640000, 21328000, 25593600, 26660000, 31992000, 39990000, 42656000, 53320000, 63984000, 79980000, 106640000, 127968000, 159960000, 213280000, 319920000, 639840000]

約数ペア:

[(1, 639840000), (2, 319920000), (3, 213280000), (4, 159960000), (5, 127968000), (6, 106640000), (8, 79980000), (10, 63984000), (12, 53320000), (15, 42656000), (16, 39990000), (20, 31992000), (24, 26660000), (25, 25593600), (30, 21328000), (31, 20640000), (32, 19995000), (40, 15996000), (43, 14880000), (48, 13330000), (50, 12796800), (60, 10664000), (62, 10320000), (64, 9997500), (75, 8531200), (80, 7998000), (86, 7440000), (93, 6880000), (96, 6665000), (100, 6398400), (120, 5332000), (124, 5160000), (125, 5118720), (128, 4998750), (129, 4960000), (150, 4265600), (155, 4128000), (160, 3999000), (172, 3720000), (186, 3440000), (192, 3332500), (200, 3199200), (215, 2976000), (240, 2666000), (248, 2580000), (250, 2559360), (256, 2499375), (258, 2480000), (300, 2132800), (310, 2064000), (320, 1999500), (344, 1860000), (372, 1720000), (375, 1706240), (384, 1666250), (400, 1599600), (430, 1488000), (465, 1376000), (480, 1333000), (496, 1290000), (500, 1279680), (516, 1240000), (600, 1066400), (620, 1032000), (625, 1023744), (640, 999750), (645, 992000), (688, 930000), (744, 860000), (750, 853120), (768, 833125), (775, 825600), (800, 799800), (860, 744000), (930, 688000), (960, 666500), (992, 645000), (1000, 639840), (1032, 620000), (1075, 595200), (1200, 533200), (1240, 516000), (1250, 511872), (1280, 499875), (1290, 496000), (1333, 480000), (1376, 465000), (1488, 430000), (1500, 426560), (1550, 412800), (1600, 399900), (1720, 372000), (1860, 344000), (1875, 341248), (1920, 333250), (1984, 322500), (2000, 319920), (2064, 310000), (2150, 297600), (2325, 275200), (2400, 266600), (2480, 258000), (2500, 255936), (2580, 248000), (2666, 240000), (2752, 232500), (2976, 215000), (3000, 213280), (3100, 206400), (3200, 199950), (3225, 198400), (3440, 186000), (3720, 172000), (3750, 170624), (3840, 166625), (3875, 165120), (3968, 161250), (3999, 160000), (4000, 159960), (4128, 155000), (4300, 148800), (4650, 137600), (4800, 133300), (4960, 129000), (5000, 127968), (5160, 124000), (5332, 120000), (5375, 119040), (5504, 116250), (5952, 107500), (6000, 106640), (6200, 103200), (6400, 99975), (6450, 99200), (6665, 96000), (6880, 93000), (7440, 86000), (7500, 85312), (7750, 82560), (7936, 80625), (7998, 80000), (8000, 79980), (8256, 77500), (8600, 74400), (9300, 68800), (9600, 66650), (9920, 64500), (10000, 63984), (10320, 62000), (10664, 60000), (10750, 59520), (11008, 58125), (11625, 55040), (11904, 53750), (12000, 53320), (12400, 51600), (12900, 49600), (13330, 48000), (13760, 46500), (14880, 43000), (15000, 42656), (15500, 41280), (15996, 40000), (16000, 39990), (16125, 39680), (16512, 38750), (17200, 37200), (18600, 34400), (19200, 33325), (19375, 33024), (19840, 32250), (19995, 32000), (20000, 31992), (20640, 31000), (21328, 30000), (21500, 29760), (23250, 27520), (23808, 26875), (24000, 26660), (24800, 25800)]