1245900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{4153}}^1$

素因数の和:4191

約数の個数: 144

約数和(自身を含む): 4088832048

約数和(自身を除く): 2842932048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3125, 3750, 4000, 4153, 5000, 6000, 6250, 7500, 8306, 9375, 10000, 12000, 12459, 12500, 15000, 16612, 18750, 20000, 20765, 24918, 25000, 30000, 33224, 37500, 41530, 49836, 50000, 60000, 62295, 66448, 75000, 83060, 99672, 100000, 103825, 124590, 132896, 150000, 166120, 199344, 207650, 249180, 300000, 311475, 332240, 398688, 415300, 498360, 519125, 622950, 664480, 830600, 996720, 1038250, 1245900, 1557375, 1661200, 1993440, 2076500, 2491800, 2595625, 3114750, 3322400, 4153000, 4983600, 5191250, 6229500, 7786875, 8306000, 9967200, 10382500, 12459000, 12978125, 15573750, 16612000, 20765000, 24918000, 25956250, 31147500, 38934375, 41530000, 49836000, 51912500, 62295000, 77868750, 83060000, 103825000, 124590000, 155737500, 207650000, 249180000, 311475000, 415300000, 622950000, 1245900000]

約数ペア:

[(1, 1245900000), (2, 622950000), (3, 415300000), (4, 311475000), (5, 249180000), (6, 207650000), (8, 155737500), (10, 124590000), (12, 103825000), (15, 83060000), (16, 77868750), (20, 62295000), (24, 51912500), (25, 49836000), (30, 41530000), (32, 38934375), (40, 31147500), (48, 25956250), (50, 24918000), (60, 20765000), (75, 16612000), (80, 15573750), (96, 12978125), (100, 12459000), (120, 10382500), (125, 9967200), (150, 8306000), (160, 7786875), (200, 6229500), (240, 5191250), (250, 4983600), (300, 4153000), (375, 3322400), (400, 3114750), (480, 2595625), (500, 2491800), (600, 2076500), (625, 1993440), (750, 1661200), (800, 1557375), (1000, 1245900), (1200, 1038250), (1250, 996720), (1500, 830600), (1875, 664480), (2000, 622950), (2400, 519125), (2500, 498360), (3000, 415300), (3125, 398688), (3750, 332240), (4000, 311475), (4153, 300000), (5000, 249180), (6000, 207650), (6250, 199344), (7500, 166120), (8306, 150000), (9375, 132896), (10000, 124590), (12000, 103825), (12459, 100000), (12500, 99672), (15000, 83060), (16612, 75000), (18750, 66448), (20000, 62295), (20765, 60000), (24918, 50000), (25000, 49836), (30000, 41530), (33224, 37500)]