79980000

素因数分解:

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

素因数の和:107

約数の個数: 240

約数和(自身を含む): 277111296

約数和(自身を除く): 197131296

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, 75, 80, 86, 93, 96, 100, 120, 124, 125, 129, 150, 155, 160, 172, 186, 200, 215, 240, 248, 250, 258, 300, 310, 344, 372, 375, 400, 430, 465, 480, 496, 500, 516, 600, 620, 625, 645, 688, 744, 750, 775, 800, 860, 930, 992, 1000, 1032, 1075, 1200, 1240, 1250, 1290, 1333, 1376, 1488, 1500, 1550, 1720, 1860, 1875, 2000, 2064, 2150, 2325, 2400, 2480, 2500, 2580, 2666, 2976, 3000, 3100, 3225, 3440, 3720, 3750, 3875, 3999, 4000, 4128, 4300, 4650, 4960, 5000, 5160, 5332, 5375, 6000, 6200, 6450, 6665, 6880, 7440, 7500, 7750, 7998, 8600, 9300, 10000, 10320, 10664, 10750, 11625, 12000, 12400, 12900, 13330, 14880, 15000, 15500, 15996, 16125, 17200, 18600, 19375, 19995, 20000, 20640, 21328, 21500, 23250, 24800, 25800, 26660, 26875, 30000, 31000, 31992, 32250, 33325, 34400, 37200, 38750, 39990, 42656, 43000, 46500, 51600, 53320, 53750, 58125, 60000, 62000, 63984, 64500, 66650, 74400, 77500, 79980, 80625, 86000, 93000, 99975, 103200, 106640, 107500, 116250, 124000, 127968, 129000, 133300, 155000, 159960, 161250, 166625, 172000, 186000, 199950, 213280, 215000, 232500, 258000, 266600, 310000, 319920, 322500, 333250, 372000, 399900, 430000, 465000, 499875, 516000, 533200, 620000, 639840, 645000, 666500, 799800, 833125, 860000, 930000, 999750, 1066400, 1290000, 1333000, 1599600, 1666250, 1860000, 1999500, 2499375, 2580000, 2666000, 3199200, 3332500, 3999000, 4998750, 5332000, 6665000, 7998000, 9997500, 13330000, 15996000, 19995000, 26660000, 39990000, 79980000]

約数ペア:

[(1, 79980000), (2, 39990000), (3, 26660000), (4, 19995000), (5, 15996000), (6, 13330000), (8, 9997500), (10, 7998000), (12, 6665000), (15, 5332000), (16, 4998750), (20, 3999000), (24, 3332500), (25, 3199200), (30, 2666000), (31, 2580000), (32, 2499375), (40, 1999500), (43, 1860000), (48, 1666250), (50, 1599600), (60, 1333000), (62, 1290000), (75, 1066400), (80, 999750), (86, 930000), (93, 860000), (96, 833125), (100, 799800), (120, 666500), (124, 645000), (125, 639840), (129, 620000), (150, 533200), (155, 516000), (160, 499875), (172, 465000), (186, 430000), (200, 399900), (215, 372000), (240, 333250), (248, 322500), (250, 319920), (258, 310000), (300, 266600), (310, 258000), (344, 232500), (372, 215000), (375, 213280), (400, 199950), (430, 186000), (465, 172000), (480, 166625), (496, 161250), (500, 159960), (516, 155000), (600, 133300), (620, 129000), (625, 127968), (645, 124000), (688, 116250), (744, 107500), (750, 106640), (775, 103200), (800, 99975), (860, 93000), (930, 86000), (992, 80625), (1000, 79980), (1032, 77500), (1075, 74400), (1200, 66650), (1240, 64500), (1250, 63984), (1290, 62000), (1333, 60000), (1376, 58125), (1488, 53750), (1500, 53320), (1550, 51600), (1720, 46500), (1860, 43000), (1875, 42656), (2000, 39990), (2064, 38750), (2150, 37200), (2325, 34400), (2400, 33325), (2480, 32250), (2500, 31992), (2580, 31000), (2666, 30000), (2976, 26875), (3000, 26660), (3100, 25800), (3225, 24800), (3440, 23250), (3720, 21500), (3750, 21328), (3875, 20640), (3999, 20000), (4000, 19995), (4128, 19375), (4300, 18600), (4650, 17200), (4960, 16125), (5000, 15996), (5160, 15500), (5332, 15000), (5375, 14880), (6000, 13330), (6200, 12900), (6450, 12400), (6665, 12000), (6880, 11625), (7440, 10750), (7500, 10664), (7750, 10320), (7998, 10000), (8600, 9300)]