255037680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 160

約数和(自身を含む): 891371520

約数和(自身を除く): 636333840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 355, 360, 426, 432, 540, 568, 639, 710, 720, 852, 1065, 1080, 1136, 1278, 1420, 1663, 1704, 1917, 2130, 2160, 2556, 2840, 3195, 3326, 3408, 3834, 4260, 4989, 5112, 5680, 6390, 6652, 7668, 8315, 8520, 9585, 9978, 10224, 12780, 13304, 14967, 15336, 16630, 17040, 19170, 19956, 24945, 25560, 26608, 29934, 30672, 33260, 38340, 39912, 44901, 49890, 51120, 59868, 66520, 74835, 76680, 79824, 89802, 99780, 118073, 119736, 133040, 149670, 153360, 179604, 199560, 224505, 236146, 239472, 299340, 354219, 359208, 399120, 449010, 472292, 590365, 598680, 708438, 718416, 898020, 944584, 1062657, 1180730, 1197360, 1416876, 1771095, 1796040, 1889168, 2125314, 2361460, 2833752, 3187971, 3542190, 3592080, 4250628, 4722920, 5313285, 5667504, 6375942, 7084380, 8501256, 9445840, 10626570, 12751884, 14168760, 15939855, 17002512, 21253140, 25503768, 28337520, 31879710, 42506280, 51007536, 63759420, 85012560, 127518840, 255037680]

約数ペア:

[(1, 255037680), (2, 127518840), (3, 85012560), (4, 63759420), (5, 51007536), (6, 42506280), (8, 31879710), (9, 28337520), (10, 25503768), (12, 21253140), (15, 17002512), (16, 15939855), (18, 14168760), (20, 12751884), (24, 10626570), (27, 9445840), (30, 8501256), (36, 7084380), (40, 6375942), (45, 5667504), (48, 5313285), (54, 4722920), (60, 4250628), (71, 3592080), (72, 3542190), (80, 3187971), (90, 2833752), (108, 2361460), (120, 2125314), (135, 1889168), (142, 1796040), (144, 1771095), (180, 1416876), (213, 1197360), (216, 1180730), (240, 1062657), (270, 944584), (284, 898020), (355, 718416), (360, 708438), (426, 598680), (432, 590365), (540, 472292), (568, 449010), (639, 399120), (710, 359208), (720, 354219), (852, 299340), (1065, 239472), (1080, 236146), (1136, 224505), (1278, 199560), (1420, 179604), (1663, 153360), (1704, 149670), (1917, 133040), (2130, 119736), (2160, 118073), (2556, 99780), (2840, 89802), (3195, 79824), (3326, 76680), (3408, 74835), (3834, 66520), (4260, 59868), (4989, 51120), (5112, 49890), (5680, 44901), (6390, 39912), (6652, 38340), (7668, 33260), (8315, 30672), (8520, 29934), (9585, 26608), (9978, 25560), (10224, 24945), (12780, 19956), (13304, 19170), (14967, 17040), (15336, 16630)]