228678800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{81671}}^1$

素因数の和:81696

約数の個数: 60

約数和(自身を含む): 627894336

約数和(自身を除く): 399215536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 81671, 163342, 326684, 408355, 571697, 653368, 816710, 1143394, 1306736, 1633420, 2041775, 2286788, 2858485, 3266840, 4083550, 4573576, 5716970, 6533680, 8167100, 9147152, 11433940, 14292425, 16334200, 22867880, 28584850, 32668400, 45735760, 57169700, 114339400, 228678800]

約数ペア:

[(1, 228678800), (2, 114339400), (4, 57169700), (5, 45735760), (7, 32668400), (8, 28584850), (10, 22867880), (14, 16334200), (16, 14292425), (20, 11433940), (25, 9147152), (28, 8167100), (35, 6533680), (40, 5716970), (50, 4573576), (56, 4083550), (70, 3266840), (80, 2858485), (100, 2286788), (112, 2041775), (140, 1633420), (175, 1306736), (200, 1143394), (280, 816710), (350, 653368), (400, 571697), (560, 408355), (700, 326684), (1400, 163342), (2800, 81671)]