72448000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{283}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 181424880

約数和(自身を除く): 108976880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 283, 320, 400, 500, 512, 566, 640, 800, 1000, 1024, 1132, 1280, 1415, 1600, 2000, 2048, 2264, 2560, 2830, 3200, 4000, 4528, 5120, 5660, 6400, 7075, 8000, 9056, 10240, 11320, 12800, 14150, 16000, 18112, 22640, 25600, 28300, 32000, 35375, 36224, 45280, 51200, 56600, 64000, 70750, 72448, 90560, 113200, 128000, 141500, 144896, 181120, 226400, 256000, 283000, 289792, 362240, 452800, 566000, 579584, 724480, 905600, 1132000, 1448960, 1811200, 2264000, 2897920, 3622400, 4528000, 7244800, 9056000, 14489600, 18112000, 36224000, 72448000]

約数ペア:

[(1, 72448000), (2, 36224000), (4, 18112000), (5, 14489600), (8, 9056000), (10, 7244800), (16, 4528000), (20, 3622400), (25, 2897920), (32, 2264000), (40, 1811200), (50, 1448960), (64, 1132000), (80, 905600), (100, 724480), (125, 579584), (128, 566000), (160, 452800), (200, 362240), (250, 289792), (256, 283000), (283, 256000), (320, 226400), (400, 181120), (500, 144896), (512, 141500), (566, 128000), (640, 113200), (800, 90560), (1000, 72448), (1024, 70750), (1132, 64000), (1280, 56600), (1415, 51200), (1600, 45280), (2000, 36224), (2048, 35375), (2264, 32000), (2560, 28300), (2830, 25600), (3200, 22640), (4000, 18112), (4528, 16000), (5120, 14150), (5660, 12800), (6400, 11320), (7075, 10240), (8000, 9056)]