7628800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{149}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 19041750

約数和(自身を除く): 11412950

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 149, 160, 200, 256, 298, 320, 400, 512, 596, 640, 745, 800, 1024, 1192, 1280, 1490, 1600, 2048, 2384, 2560, 2980, 3200, 3725, 4768, 5120, 5960, 6400, 7450, 9536, 10240, 11920, 12800, 14900, 19072, 23840, 25600, 29800, 38144, 47680, 51200, 59600, 76288, 95360, 119200, 152576, 190720, 238400, 305152, 381440, 476800, 762880, 953600, 1525760, 1907200, 3814400, 7628800]

約数ペア:

[(1, 7628800), (2, 3814400), (4, 1907200), (5, 1525760), (8, 953600), (10, 762880), (16, 476800), (20, 381440), (25, 305152), (32, 238400), (40, 190720), (50, 152576), (64, 119200), (80, 95360), (100, 76288), (128, 59600), (149, 51200), (160, 47680), (200, 38144), (256, 29800), (298, 25600), (320, 23840), (400, 19072), (512, 14900), (596, 12800), (640, 11920), (745, 10240), (800, 9536), (1024, 7450), (1192, 6400), (1280, 5960), (1490, 5120), (1600, 4768), (2048, 3725), (2384, 3200), (2560, 2980)]