1978876800

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{68711}}^1$

素因数の和:68741

約数の個数: 144

約数和(自身を含む): 7061188680

約数和(自身を除く): 5082311880

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, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 800, 900, 960, 1152, 1200, 1440, 1600, 1800, 1920, 2400, 2880, 3200, 3600, 4800, 5760, 7200, 9600, 14400, 28800, 68711, 137422, 206133, 274844, 343555, 412266, 549688, 618399, 687110, 824532, 1030665, 1099376, 1236798, 1374220, 1649064, 1717775, 2061330, 2198752, 2473596, 2748440, 3091995, 3298128, 3435550, 4122660, 4397504, 4947192, 5153325, 5496880, 6183990, 6596256, 6871100, 8245320, 8795008, 9894384, 10306650, 10993760, 12367980, 13192512, 13742200, 15459975, 16490640, 19788768, 20613300, 21987520, 24735960, 26385024, 27484400, 30919950, 32981280, 39577536, 41226600, 43975040, 49471920, 54968800, 61839900, 65962560, 79155072, 82453200, 98943840, 109937600, 123679800, 131925120, 164906400, 197887680, 219875200, 247359600, 329812800, 395775360, 494719200, 659625600, 989438400, 1978876800]

約数ペア:

[(1, 1978876800), (2, 989438400), (3, 659625600), (4, 494719200), (5, 395775360), (6, 329812800), (8, 247359600), (9, 219875200), (10, 197887680), (12, 164906400), (15, 131925120), (16, 123679800), (18, 109937600), (20, 98943840), (24, 82453200), (25, 79155072), (30, 65962560), (32, 61839900), (36, 54968800), (40, 49471920), (45, 43975040), (48, 41226600), (50, 39577536), (60, 32981280), (64, 30919950), (72, 27484400), (75, 26385024), (80, 24735960), (90, 21987520), (96, 20613300), (100, 19788768), (120, 16490640), (128, 15459975), (144, 13742200), (150, 13192512), (160, 12367980), (180, 10993760), (192, 10306650), (200, 9894384), (225, 8795008), (240, 8245320), (288, 6871100), (300, 6596256), (320, 6183990), (360, 5496880), (384, 5153325), (400, 4947192), (450, 4397504), (480, 4122660), (576, 3435550), (600, 3298128), (640, 3091995), (720, 2748440), (800, 2473596), (900, 2198752), (960, 2061330), (1152, 1717775), (1200, 1649064), (1440, 1374220), (1600, 1236798), (1800, 1099376), (1920, 1030665), (2400, 824532), (2880, 687110), (3200, 618399), (3600, 549688), (4800, 412266), (5760, 343555), (7200, 274844), (9600, 206133), (14400, 137422), (28800, 68711)]