1245000000

素因数分解:

$2^6\times 3^1\times 5^7\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 224

約数和(自身を含む): 4167176832

約数和(自身を除く): 2922176832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 83, 96, 100, 120, 125, 150, 160, 166, 192, 200, 240, 249, 250, 300, 320, 332, 375, 400, 415, 480, 498, 500, 600, 625, 664, 750, 800, 830, 960, 996, 1000, 1200, 1245, 1250, 1328, 1500, 1600, 1660, 1875, 1992, 2000, 2075, 2400, 2490, 2500, 2656, 3000, 3125, 3320, 3750, 3984, 4000, 4150, 4800, 4980, 5000, 5312, 6000, 6225, 6250, 6640, 7500, 7968, 8000, 8300, 9375, 9960, 10000, 10375, 12000, 12450, 12500, 13280, 15000, 15625, 15936, 16600, 18750, 19920, 20000, 20750, 24000, 24900, 25000, 26560, 30000, 31125, 31250, 33200, 37500, 39840, 40000, 41500, 46875, 49800, 50000, 51875, 60000, 62250, 62500, 66400, 75000, 78125, 79680, 83000, 93750, 99600, 100000, 103750, 120000, 124500, 125000, 132800, 150000, 155625, 156250, 166000, 187500, 199200, 200000, 207500, 234375, 249000, 250000, 259375, 300000, 311250, 312500, 332000, 375000, 398400, 415000, 468750, 498000, 500000, 518750, 600000, 622500, 625000, 664000, 750000, 778125, 830000, 937500, 996000, 1000000, 1037500, 1245000, 1250000, 1296875, 1500000, 1556250, 1660000, 1875000, 1992000, 2075000, 2490000, 2500000, 2593750, 3000000, 3112500, 3320000, 3750000, 3890625, 4150000, 4980000, 5000000, 5187500, 6225000, 6484375, 7500000, 7781250, 8300000, 9960000, 10375000, 12450000, 12968750, 15000000, 15562500, 16600000, 19453125, 20750000, 24900000, 25937500, 31125000, 38906250, 41500000, 49800000, 51875000, 62250000, 77812500, 83000000, 103750000, 124500000, 155625000, 207500000, 249000000, 311250000, 415000000, 622500000, 1245000000]

約数ペア:

[(1, 1245000000), (2, 622500000), (3, 415000000), (4, 311250000), (5, 249000000), (6, 207500000), (8, 155625000), (10, 124500000), (12, 103750000), (15, 83000000), (16, 77812500), (20, 62250000), (24, 51875000), (25, 49800000), (30, 41500000), (32, 38906250), (40, 31125000), (48, 25937500), (50, 24900000), (60, 20750000), (64, 19453125), (75, 16600000), (80, 15562500), (83, 15000000), (96, 12968750), (100, 12450000), (120, 10375000), (125, 9960000), (150, 8300000), (160, 7781250), (166, 7500000), (192, 6484375), (200, 6225000), (240, 5187500), (249, 5000000), (250, 4980000), (300, 4150000), (320, 3890625), (332, 3750000), (375, 3320000), (400, 3112500), (415, 3000000), (480, 2593750), (498, 2500000), (500, 2490000), (600, 2075000), (625, 1992000), (664, 1875000), (750, 1660000), (800, 1556250), (830, 1500000), (960, 1296875), (996, 1250000), (1000, 1245000), (1200, 1037500), (1245, 1000000), (1250, 996000), (1328, 937500), (1500, 830000), (1600, 778125), (1660, 750000), (1875, 664000), (1992, 625000), (2000, 622500), (2075, 600000), (2400, 518750), (2490, 500000), (2500, 498000), (2656, 468750), (3000, 415000), (3125, 398400), (3320, 375000), (3750, 332000), (3984, 312500), (4000, 311250), (4150, 300000), (4800, 259375), (4980, 250000), (5000, 249000), (5312, 234375), (6000, 207500), (6225, 200000), (6250, 199200), (6640, 187500), (7500, 166000), (7968, 156250), (8000, 155625), (8300, 150000), (9375, 132800), (9960, 125000), (10000, 124500), (10375, 120000), (12000, 103750), (12450, 100000), (12500, 99600), (13280, 93750), (15000, 83000), (15625, 79680), (15936, 78125), (16600, 75000), (18750, 66400), (19920, 62500), (20000, 62250), (20750, 60000), (24000, 51875), (24900, 50000), (25000, 49800), (26560, 46875), (30000, 41500), (31125, 40000), (31250, 39840), (33200, 37500)]