128880000

素因数分解:

$2^7\times 3^2\times 5^4\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 240

約数和(自身を含む): 466022700

約数和(自身を除く): 337142700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 125, 128, 144, 150, 160, 179, 180, 192, 200, 225, 240, 250, 288, 300, 320, 358, 360, 375, 384, 400, 450, 480, 500, 537, 576, 600, 625, 640, 716, 720, 750, 800, 895, 900, 960, 1000, 1074, 1125, 1152, 1200, 1250, 1432, 1440, 1500, 1600, 1611, 1790, 1800, 1875, 1920, 2000, 2148, 2250, 2400, 2500, 2685, 2864, 2880, 3000, 3200, 3222, 3580, 3600, 3750, 4000, 4296, 4475, 4500, 4800, 5000, 5370, 5625, 5728, 5760, 6000, 6444, 7160, 7200, 7500, 8000, 8055, 8592, 8950, 9000, 9600, 10000, 10740, 11250, 11456, 12000, 12888, 13425, 14320, 14400, 15000, 16000, 16110, 17184, 17900, 18000, 20000, 21480, 22375, 22500, 22912, 24000, 25776, 26850, 28640, 28800, 30000, 32220, 34368, 35800, 36000, 40000, 40275, 42960, 44750, 45000, 48000, 51552, 53700, 57280, 60000, 64440, 67125, 68736, 71600, 72000, 80000, 80550, 85920, 89500, 90000, 103104, 107400, 111875, 114560, 120000, 128880, 134250, 143200, 144000, 161100, 171840, 179000, 180000, 201375, 206208, 214800, 223750, 240000, 257760, 268500, 286400, 322200, 335625, 343680, 358000, 360000, 402750, 429600, 447500, 515520, 537000, 572800, 644400, 671250, 716000, 720000, 805500, 859200, 895000, 1006875, 1031040, 1074000, 1288800, 1342500, 1432000, 1611000, 1718400, 1790000, 2013750, 2148000, 2577600, 2685000, 2864000, 3222000, 3580000, 4027500, 4296000, 5155200, 5370000, 6444000, 7160000, 8055000, 8592000, 10740000, 12888000, 14320000, 16110000, 21480000, 25776000, 32220000, 42960000, 64440000, 128880000]

約数ペア:

[(1, 128880000), (2, 64440000), (3, 42960000), (4, 32220000), (5, 25776000), (6, 21480000), (8, 16110000), (9, 14320000), (10, 12888000), (12, 10740000), (15, 8592000), (16, 8055000), (18, 7160000), (20, 6444000), (24, 5370000), (25, 5155200), (30, 4296000), (32, 4027500), (36, 3580000), (40, 3222000), (45, 2864000), (48, 2685000), (50, 2577600), (60, 2148000), (64, 2013750), (72, 1790000), (75, 1718400), (80, 1611000), (90, 1432000), (96, 1342500), (100, 1288800), (120, 1074000), (125, 1031040), (128, 1006875), (144, 895000), (150, 859200), (160, 805500), (179, 720000), (180, 716000), (192, 671250), (200, 644400), (225, 572800), (240, 537000), (250, 515520), (288, 447500), (300, 429600), (320, 402750), (358, 360000), (360, 358000), (375, 343680), (384, 335625), (400, 322200), (450, 286400), (480, 268500), (500, 257760), (537, 240000), (576, 223750), (600, 214800), (625, 206208), (640, 201375), (716, 180000), (720, 179000), (750, 171840), (800, 161100), (895, 144000), (900, 143200), (960, 134250), (1000, 128880), (1074, 120000), (1125, 114560), (1152, 111875), (1200, 107400), (1250, 103104), (1432, 90000), (1440, 89500), (1500, 85920), (1600, 80550), (1611, 80000), (1790, 72000), (1800, 71600), (1875, 68736), (1920, 67125), (2000, 64440), (2148, 60000), (2250, 57280), (2400, 53700), (2500, 51552), (2685, 48000), (2864, 45000), (2880, 44750), (3000, 42960), (3200, 40275), (3222, 40000), (3580, 36000), (3600, 35800), (3750, 34368), (4000, 32220), (4296, 30000), (4475, 28800), (4500, 28640), (4800, 26850), (5000, 25776), (5370, 24000), (5625, 22912), (5728, 22500), (5760, 22375), (6000, 21480), (6444, 20000), (7160, 18000), (7200, 17900), (7500, 17184), (8000, 16110), (8055, 16000), (8592, 15000), (8950, 14400), (9000, 14320), (9600, 13425), (10000, 12888), (10740, 12000), (11250, 11456)]