195916800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 132

約数和(自身を含む): 647769056

約数和(自身を除く): 451852256

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, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2400, 2551, 2560, 3072, 3200, 3840, 4800, 5102, 5120, 6400, 7653, 7680, 9600, 10204, 12755, 12800, 15306, 15360, 19200, 20408, 25510, 25600, 30612, 38265, 38400, 40816, 51020, 61224, 63775, 76530, 76800, 81632, 102040, 122448, 127550, 153060, 163264, 191325, 204080, 244896, 255100, 306120, 326528, 382650, 408160, 489792, 510200, 612240, 653056, 765300, 816320, 979584, 1020400, 1224480, 1306112, 1530600, 1632640, 1959168, 2040800, 2448960, 2612224, 3061200, 3265280, 3918336, 4081600, 4897920, 6122400, 6530560, 7836672, 8163200, 9795840, 12244800, 13061120, 16326400, 19591680, 24489600, 32652800, 39183360, 48979200, 65305600, 97958400, 195916800]

約数ペア:

[(1, 195916800), (2, 97958400), (3, 65305600), (4, 48979200), (5, 39183360), (6, 32652800), (8, 24489600), (10, 19591680), (12, 16326400), (15, 13061120), (16, 12244800), (20, 9795840), (24, 8163200), (25, 7836672), (30, 6530560), (32, 6122400), (40, 4897920), (48, 4081600), (50, 3918336), (60, 3265280), (64, 3061200), (75, 2612224), (80, 2448960), (96, 2040800), (100, 1959168), (120, 1632640), (128, 1530600), (150, 1306112), (160, 1224480), (192, 1020400), (200, 979584), (240, 816320), (256, 765300), (300, 653056), (320, 612240), (384, 510200), (400, 489792), (480, 408160), (512, 382650), (600, 326528), (640, 306120), (768, 255100), (800, 244896), (960, 204080), (1024, 191325), (1200, 163264), (1280, 153060), (1536, 127550), (1600, 122448), (1920, 102040), (2400, 81632), (2551, 76800), (2560, 76530), (3072, 63775), (3200, 61224), (3840, 51020), (4800, 40816), (5102, 38400), (5120, 38265), (6400, 30612), (7653, 25600), (7680, 25510), (9600, 20408), (10204, 19200), (12755, 15360), (12800, 15306)]