163916800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:386

約数の個数: 132

約数和(自身を含む): 428969320

約数和(自身を除く): 265052520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 337, 380, 400, 475, 512, 608, 640, 674, 760, 800, 950, 1024, 1216, 1280, 1348, 1520, 1600, 1685, 1900, 2432, 2560, 2696, 3040, 3200, 3370, 3800, 4864, 5120, 5392, 6080, 6400, 6403, 6740, 7600, 8425, 9728, 10784, 12160, 12800, 12806, 13480, 15200, 16850, 19456, 21568, 24320, 25600, 25612, 26960, 30400, 32015, 33700, 43136, 48640, 51224, 53920, 60800, 64030, 67400, 86272, 97280, 102448, 107840, 121600, 128060, 134800, 160075, 172544, 204896, 215680, 243200, 256120, 269600, 320150, 345088, 409792, 431360, 486400, 512240, 539200, 640300, 819584, 862720, 1024480, 1078400, 1280600, 1639168, 1725440, 2048960, 2156800, 2561200, 3278336, 4097920, 4313600, 5122400, 6556672, 8195840, 8627200, 10244800, 16391680, 20489600, 32783360, 40979200, 81958400, 163916800]

約数ペア:

[(1, 163916800), (2, 81958400), (4, 40979200), (5, 32783360), (8, 20489600), (10, 16391680), (16, 10244800), (19, 8627200), (20, 8195840), (25, 6556672), (32, 5122400), (38, 4313600), (40, 4097920), (50, 3278336), (64, 2561200), (76, 2156800), (80, 2048960), (95, 1725440), (100, 1639168), (128, 1280600), (152, 1078400), (160, 1024480), (190, 862720), (200, 819584), (256, 640300), (304, 539200), (320, 512240), (337, 486400), (380, 431360), (400, 409792), (475, 345088), (512, 320150), (608, 269600), (640, 256120), (674, 243200), (760, 215680), (800, 204896), (950, 172544), (1024, 160075), (1216, 134800), (1280, 128060), (1348, 121600), (1520, 107840), (1600, 102448), (1685, 97280), (1900, 86272), (2432, 67400), (2560, 64030), (2696, 60800), (3040, 53920), (3200, 51224), (3370, 48640), (3800, 43136), (4864, 33700), (5120, 32015), (5392, 30400), (6080, 26960), (6400, 25612), (6403, 25600), (6740, 24320), (7600, 21568), (8425, 19456), (9728, 16850), (10784, 15200), (12160, 13480), (12800, 12806)]