17946880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2003}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 49154112

約数和(自身を除く): 31207232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2003, 2240, 4006, 4480, 8012, 8960, 10015, 14021, 16024, 20030, 28042, 32048, 40060, 56084, 64096, 70105, 80120, 112168, 128192, 140210, 160240, 224336, 256384, 280420, 320480, 448672, 512768, 560840, 640960, 897344, 1121680, 1281920, 1794688, 2243360, 2563840, 3589376, 4486720, 8973440, 17946880]

約数ペア:

[(1, 17946880), (2, 8973440), (4, 4486720), (5, 3589376), (7, 2563840), (8, 2243360), (10, 1794688), (14, 1281920), (16, 1121680), (20, 897344), (28, 640960), (32, 560840), (35, 512768), (40, 448672), (56, 320480), (64, 280420), (70, 256384), (80, 224336), (112, 160240), (128, 140210), (140, 128192), (160, 112168), (224, 80120), (256, 70105), (280, 64096), (320, 56084), (448, 40060), (560, 32048), (640, 28042), (896, 20030), (1120, 16024), (1280, 14021), (1792, 10015), (2003, 8960), (2240, 8012), (4006, 4480)]