261317040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1759}}^1$

素因数の和:2394

約数の個数: 80

約数和(自身を含む): 811852800

約数和(自身を除く): 550535760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 619, 1238, 1759, 1857, 2476, 3095, 3518, 3714, 4952, 5277, 6190, 7036, 7428, 8795, 9285, 9904, 10554, 12380, 14072, 14856, 17590, 18570, 21108, 24760, 26385, 28144, 29712, 35180, 37140, 42216, 49520, 52770, 70360, 74280, 84432, 105540, 140720, 148560, 211080, 422160, 1088821, 2177642, 3266463, 4355284, 5444105, 6532926, 8710568, 10888210, 13065852, 16332315, 17421136, 21776420, 26131704, 32664630, 43552840, 52263408, 65329260, 87105680, 130658520, 261317040]

約数ペア:

[(1, 261317040), (2, 130658520), (3, 87105680), (4, 65329260), (5, 52263408), (6, 43552840), (8, 32664630), (10, 26131704), (12, 21776420), (15, 17421136), (16, 16332315), (20, 13065852), (24, 10888210), (30, 8710568), (40, 6532926), (48, 5444105), (60, 4355284), (80, 3266463), (120, 2177642), (240, 1088821), (619, 422160), (1238, 211080), (1759, 148560), (1857, 140720), (2476, 105540), (3095, 84432), (3518, 74280), (3714, 70360), (4952, 52770), (5277, 49520), (6190, 42216), (7036, 37140), (7428, 35180), (8795, 29712), (9285, 28144), (9904, 26385), (10554, 24760), (12380, 21108), (14072, 18570), (14856, 17590)]