1860000000

素因数分解:

$2^8\times 3^1\times 5^7\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 6387483648

約数和(自身を除く): 4527483648

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, 64, 75, 80, 93, 96, 100, 120, 124, 125, 128, 150, 155, 160, 186, 192, 200, 240, 248, 250, 256, 300, 310, 320, 372, 375, 384, 400, 465, 480, 496, 500, 600, 620, 625, 640, 744, 750, 768, 775, 800, 930, 960, 992, 1000, 1200, 1240, 1250, 1280, 1488, 1500, 1550, 1600, 1860, 1875, 1920, 1984, 2000, 2325, 2400, 2480, 2500, 2976, 3000, 3100, 3125, 3200, 3720, 3750, 3840, 3875, 3968, 4000, 4650, 4800, 4960, 5000, 5952, 6000, 6200, 6250, 6400, 7440, 7500, 7750, 7936, 8000, 9300, 9375, 9600, 9920, 10000, 11625, 11904, 12000, 12400, 12500, 14880, 15000, 15500, 15625, 16000, 18600, 18750, 19200, 19375, 19840, 20000, 23250, 23808, 24000, 24800, 25000, 29760, 30000, 31000, 31250, 32000, 37200, 37500, 38750, 39680, 40000, 46500, 46875, 48000, 49600, 50000, 58125, 59520, 60000, 62000, 62500, 74400, 75000, 77500, 78125, 80000, 93000, 93750, 96000, 96875, 99200, 100000, 116250, 119040, 120000, 124000, 125000, 148800, 150000, 155000, 156250, 160000, 186000, 187500, 193750, 198400, 200000, 232500, 234375, 240000, 248000, 250000, 290625, 297600, 300000, 310000, 312500, 372000, 375000, 387500, 400000, 465000, 468750, 480000, 484375, 496000, 500000, 581250, 595200, 600000, 620000, 625000, 744000, 750000, 775000, 800000, 930000, 937500, 968750, 992000, 1000000, 1162500, 1200000, 1240000, 1250000, 1453125, 1488000, 1500000, 1550000, 1860000, 1875000, 1937500, 2000000, 2325000, 2400000, 2421875, 2480000, 2500000, 2906250, 2976000, 3000000, 3100000, 3720000, 3750000, 3875000, 4000000, 4650000, 4843750, 4960000, 5000000, 5812500, 6000000, 6200000, 7265625, 7440000, 7500000, 7750000, 9300000, 9687500, 10000000, 11625000, 12000000, 12400000, 14531250, 14880000, 15000000, 15500000, 18600000, 19375000, 20000000, 23250000, 24800000, 29062500, 30000000, 31000000, 37200000, 38750000, 46500000, 58125000, 60000000, 62000000, 74400000, 77500000, 93000000, 116250000, 124000000, 155000000, 186000000, 232500000, 310000000, 372000000, 465000000, 620000000, 930000000, 1860000000]

約数ペア:

[(1, 1860000000), (2, 930000000), (3, 620000000), (4, 465000000), (5, 372000000), (6, 310000000), (8, 232500000), (10, 186000000), (12, 155000000), (15, 124000000), (16, 116250000), (20, 93000000), (24, 77500000), (25, 74400000), (30, 62000000), (31, 60000000), (32, 58125000), (40, 46500000), (48, 38750000), (50, 37200000), (60, 31000000), (62, 30000000), (64, 29062500), (75, 24800000), (80, 23250000), (93, 20000000), (96, 19375000), (100, 18600000), (120, 15500000), (124, 15000000), (125, 14880000), (128, 14531250), (150, 12400000), (155, 12000000), (160, 11625000), (186, 10000000), (192, 9687500), (200, 9300000), (240, 7750000), (248, 7500000), (250, 7440000), (256, 7265625), (300, 6200000), (310, 6000000), (320, 5812500), (372, 5000000), (375, 4960000), (384, 4843750), (400, 4650000), (465, 4000000), (480, 3875000), (496, 3750000), (500, 3720000), (600, 3100000), (620, 3000000), (625, 2976000), (640, 2906250), (744, 2500000), (750, 2480000), (768, 2421875), (775, 2400000), (800, 2325000), (930, 2000000), (960, 1937500), (992, 1875000), (1000, 1860000), (1200, 1550000), (1240, 1500000), (1250, 1488000), (1280, 1453125), (1488, 1250000), (1500, 1240000), (1550, 1200000), (1600, 1162500), (1860, 1000000), (1875, 992000), (1920, 968750), (1984, 937500), (2000, 930000), (2325, 800000), (2400, 775000), (2480, 750000), (2500, 744000), (2976, 625000), (3000, 620000), (3100, 600000), (3125, 595200), (3200, 581250), (3720, 500000), (3750, 496000), (3840, 484375), (3875, 480000), (3968, 468750), (4000, 465000), (4650, 400000), (4800, 387500), (4960, 375000), (5000, 372000), (5952, 312500), (6000, 310000), (6200, 300000), (6250, 297600), (6400, 290625), (7440, 250000), (7500, 248000), (7750, 240000), (7936, 234375), (8000, 232500), (9300, 200000), (9375, 198400), (9600, 193750), (9920, 187500), (10000, 186000), (11625, 160000), (11904, 156250), (12000, 155000), (12400, 150000), (12500, 148800), (14880, 125000), (15000, 124000), (15500, 120000), (15625, 119040), (16000, 116250), (18600, 100000), (18750, 99200), (19200, 96875), (19375, 96000), (19840, 93750), (20000, 93000), (23250, 80000), (23808, 78125), (24000, 77500), (24800, 75000), (25000, 74400), (29760, 62500), (30000, 62000), (31000, 60000), (31250, 59520), (32000, 58125), (37200, 50000), (37500, 49600), (38750, 48000), (39680, 46875), (40000, 46500)]