489180000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 240

約数和(自身を含む): 1662667776

約数和(自身を除く): 1173487776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 125, 150, 155, 160, 186, 200, 240, 248, 250, 263, 300, 310, 372, 375, 400, 465, 480, 496, 500, 526, 600, 620, 625, 744, 750, 775, 789, 800, 930, 992, 1000, 1052, 1200, 1240, 1250, 1315, 1488, 1500, 1550, 1578, 1860, 1875, 2000, 2104, 2325, 2400, 2480, 2500, 2630, 2976, 3000, 3100, 3156, 3720, 3750, 3875, 3945, 4000, 4208, 4650, 4960, 5000, 5260, 6000, 6200, 6312, 6575, 7440, 7500, 7750, 7890, 8153, 8416, 9300, 10000, 10520, 11625, 12000, 12400, 12624, 13150, 14880, 15000, 15500, 15780, 16306, 18600, 19375, 19725, 20000, 21040, 23250, 24459, 24800, 25248, 26300, 30000, 31000, 31560, 32612, 32875, 37200, 38750, 39450, 40765, 42080, 46500, 48918, 52600, 58125, 60000, 62000, 63120, 65224, 65750, 74400, 77500, 78900, 81530, 93000, 97836, 98625, 105200, 116250, 122295, 124000, 126240, 130448, 131500, 155000, 157800, 163060, 164375, 186000, 195672, 197250, 203825, 210400, 232500, 244590, 260896, 263000, 310000, 315600, 326120, 328750, 372000, 391344, 394500, 407650, 465000, 489180, 493125, 526000, 611475, 620000, 631200, 652240, 657500, 782688, 789000, 815300, 930000, 978360, 986250, 1019125, 1052000, 1222950, 1304480, 1315000, 1578000, 1630600, 1860000, 1956720, 1972500, 2038250, 2445900, 2630000, 3057375, 3156000, 3261200, 3913440, 3945000, 4076500, 4891800, 5095625, 5260000, 6114750, 6522400, 7890000, 8153000, 9783600, 10191250, 12229500, 15286875, 15780000, 16306000, 19567200, 20382500, 24459000, 30573750, 32612000, 40765000, 48918000, 61147500, 81530000, 97836000, 122295000, 163060000, 244590000, 489180000]

約数ペア:

[(1, 489180000), (2, 244590000), (3, 163060000), (4, 122295000), (5, 97836000), (6, 81530000), (8, 61147500), (10, 48918000), (12, 40765000), (15, 32612000), (16, 30573750), (20, 24459000), (24, 20382500), (25, 19567200), (30, 16306000), (31, 15780000), (32, 15286875), (40, 12229500), (48, 10191250), (50, 9783600), (60, 8153000), (62, 7890000), (75, 6522400), (80, 6114750), (93, 5260000), (96, 5095625), (100, 4891800), (120, 4076500), (124, 3945000), (125, 3913440), (150, 3261200), (155, 3156000), (160, 3057375), (186, 2630000), (200, 2445900), (240, 2038250), (248, 1972500), (250, 1956720), (263, 1860000), (300, 1630600), (310, 1578000), (372, 1315000), (375, 1304480), (400, 1222950), (465, 1052000), (480, 1019125), (496, 986250), (500, 978360), (526, 930000), (600, 815300), (620, 789000), (625, 782688), (744, 657500), (750, 652240), (775, 631200), (789, 620000), (800, 611475), (930, 526000), (992, 493125), (1000, 489180), (1052, 465000), (1200, 407650), (1240, 394500), (1250, 391344), (1315, 372000), (1488, 328750), (1500, 326120), (1550, 315600), (1578, 310000), (1860, 263000), (1875, 260896), (2000, 244590), (2104, 232500), (2325, 210400), (2400, 203825), (2480, 197250), (2500, 195672), (2630, 186000), (2976, 164375), (3000, 163060), (3100, 157800), (3156, 155000), (3720, 131500), (3750, 130448), (3875, 126240), (3945, 124000), (4000, 122295), (4208, 116250), (4650, 105200), (4960, 98625), (5000, 97836), (5260, 93000), (6000, 81530), (6200, 78900), (6312, 77500), (6575, 74400), (7440, 65750), (7500, 65224), (7750, 63120), (7890, 62000), (8153, 60000), (8416, 58125), (9300, 52600), (10000, 48918), (10520, 46500), (11625, 42080), (12000, 40765), (12400, 39450), (12624, 38750), (13150, 37200), (14880, 32875), (15000, 32612), (15500, 31560), (15780, 31000), (16306, 30000), (18600, 26300), (19375, 25248), (19725, 24800), (20000, 24459), (21040, 23250)]