18946080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 47098080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 223, 236, 240, 288, 295, 354, 360, 446, 472, 480, 531, 590, 669, 708, 720, 885, 892, 944, 1062, 1115, 1180, 1338, 1416, 1440, 1770, 1784, 1888, 2007, 2124, 2230, 2360, 2655, 2676, 2832, 3345, 3540, 3568, 4014, 4248, 4460, 4720, 5310, 5352, 5664, 6690, 7080, 7136, 8028, 8496, 8920, 9440, 10035, 10620, 10704, 13157, 13380, 14160, 16056, 16992, 17840, 20070, 21240, 21408, 26314, 26760, 28320, 32112, 35680, 39471, 40140, 42480, 52628, 53520, 64224, 65785, 78942, 80280, 84960, 105256, 107040, 118413, 131570, 157884, 160560, 197355, 210512, 236826, 263140, 315768, 321120, 394710, 421024, 473652, 526280, 592065, 631536, 789420, 947304, 1052560, 1184130, 1263072, 1578840, 1894608, 2105120, 2368260, 3157680, 3789216, 4736520, 6315360, 9473040, 18946080]

約数ペア:

[(1, 18946080), (2, 9473040), (3, 6315360), (4, 4736520), (5, 3789216), (6, 3157680), (8, 2368260), (9, 2105120), (10, 1894608), (12, 1578840), (15, 1263072), (16, 1184130), (18, 1052560), (20, 947304), (24, 789420), (30, 631536), (32, 592065), (36, 526280), (40, 473652), (45, 421024), (48, 394710), (59, 321120), (60, 315768), (72, 263140), (80, 236826), (90, 210512), (96, 197355), (118, 160560), (120, 157884), (144, 131570), (160, 118413), (177, 107040), (180, 105256), (223, 84960), (236, 80280), (240, 78942), (288, 65785), (295, 64224), (354, 53520), (360, 52628), (446, 42480), (472, 40140), (480, 39471), (531, 35680), (590, 32112), (669, 28320), (708, 26760), (720, 26314), (885, 21408), (892, 21240), (944, 20070), (1062, 17840), (1115, 16992), (1180, 16056), (1338, 14160), (1416, 13380), (1440, 13157), (1770, 10704), (1784, 10620), (1888, 10035), (2007, 9440), (2124, 8920), (2230, 8496), (2360, 8028), (2655, 7136), (2676, 7080), (2832, 6690), (3345, 5664), (3540, 5352), (3568, 5310), (4014, 4720), (4248, 4460)]