1808640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{157}}^1$

素因数の和:184

約数の個数: 108

約数和(自身を含む): 6297564

約数和(自身を除く): 4488924

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 157, 160, 180, 192, 240, 256, 288, 314, 320, 360, 384, 471, 480, 576, 628, 640, 720, 768, 785, 942, 960, 1152, 1256, 1280, 1413, 1440, 1570, 1884, 1920, 2304, 2355, 2512, 2826, 2880, 3140, 3768, 3840, 4710, 5024, 5652, 5760, 6280, 7065, 7536, 9420, 10048, 11304, 11520, 12560, 14130, 15072, 18840, 20096, 22608, 25120, 28260, 30144, 37680, 40192, 45216, 50240, 56520, 60288, 75360, 90432, 100480, 113040, 120576, 150720, 180864, 200960, 226080, 301440, 361728, 452160, 602880, 904320, 1808640]

約数ペア:

[(1, 1808640), (2, 904320), (3, 602880), (4, 452160), (5, 361728), (6, 301440), (8, 226080), (9, 200960), (10, 180864), (12, 150720), (15, 120576), (16, 113040), (18, 100480), (20, 90432), (24, 75360), (30, 60288), (32, 56520), (36, 50240), (40, 45216), (45, 40192), (48, 37680), (60, 30144), (64, 28260), (72, 25120), (80, 22608), (90, 20096), (96, 18840), (120, 15072), (128, 14130), (144, 12560), (157, 11520), (160, 11304), (180, 10048), (192, 9420), (240, 7536), (256, 7065), (288, 6280), (314, 5760), (320, 5652), (360, 5024), (384, 4710), (471, 3840), (480, 3768), (576, 3140), (628, 2880), (640, 2826), (720, 2512), (768, 2355), (785, 2304), (942, 1920), (960, 1884), (1152, 1570), (1256, 1440), (1280, 1413)]