764800

素因数分解:

$2^7\times 5^2\times {\mathrm{239}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 1897200

約数和(自身を除く): 1132400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 239, 320, 400, 478, 640, 800, 956, 1195, 1600, 1912, 2390, 3200, 3824, 4780, 5975, 7648, 9560, 11950, 15296, 19120, 23900, 30592, 38240, 47800, 76480, 95600, 152960, 191200, 382400, 764800]

約数ペア:

[(1, 764800), (2, 382400), (4, 191200), (5, 152960), (8, 95600), (10, 76480), (16, 47800), (20, 38240), (25, 30592), (32, 23900), (40, 19120), (50, 15296), (64, 11950), (80, 9560), (100, 7648), (128, 5975), (160, 4780), (200, 3824), (239, 3200), (320, 2390), (400, 1912), (478, 1600), (640, 1195), (800, 956)]