668977680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{811}}^1$

素因数の和:1325

約数の個数: 160

約数和(自身を含む): 2377847808

約数和(自身を除く): 1708870128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 491, 560, 811, 840, 982, 1473, 1622, 1680, 1964, 2433, 2455, 2946, 3244, 3437, 3928, 4055, 4866, 4910, 5677, 5892, 6488, 6874, 7365, 7856, 8110, 9732, 9820, 10311, 11354, 11784, 12165, 12976, 13748, 14730, 16220, 17031, 17185, 19464, 19640, 20622, 22708, 23568, 24330, 27496, 28385, 29460, 32440, 34062, 34370, 38928, 39280, 41244, 45416, 48660, 51555, 54992, 56770, 58920, 64880, 68124, 68740, 82488, 85155, 90832, 97320, 103110, 113540, 117840, 136248, 137480, 164976, 170310, 194640, 206220, 227080, 272496, 274960, 340620, 398201, 412440, 454160, 681240, 796402, 824880, 1194603, 1362480, 1592804, 1991005, 2389206, 2787407, 3185608, 3982010, 4778412, 5574814, 5973015, 6371216, 7964020, 8362221, 9556824, 11149628, 11946030, 13937035, 15928040, 16724442, 19113648, 22299256, 23892060, 27874070, 31856080, 33448884, 41811105, 44598512, 47784120, 55748140, 66897768, 83622210, 95568240, 111496280, 133795536, 167244420, 222992560, 334488840, 668977680]

約数ペア:

[(1, 668977680), (2, 334488840), (3, 222992560), (4, 167244420), (5, 133795536), (6, 111496280), (7, 95568240), (8, 83622210), (10, 66897768), (12, 55748140), (14, 47784120), (15, 44598512), (16, 41811105), (20, 33448884), (21, 31856080), (24, 27874070), (28, 23892060), (30, 22299256), (35, 19113648), (40, 16724442), (42, 15928040), (48, 13937035), (56, 11946030), (60, 11149628), (70, 9556824), (80, 8362221), (84, 7964020), (105, 6371216), (112, 5973015), (120, 5574814), (140, 4778412), (168, 3982010), (210, 3185608), (240, 2787407), (280, 2389206), (336, 1991005), (420, 1592804), (491, 1362480), (560, 1194603), (811, 824880), (840, 796402), (982, 681240), (1473, 454160), (1622, 412440), (1680, 398201), (1964, 340620), (2433, 274960), (2455, 272496), (2946, 227080), (3244, 206220), (3437, 194640), (3928, 170310), (4055, 164976), (4866, 137480), (4910, 136248), (5677, 117840), (5892, 113540), (6488, 103110), (6874, 97320), (7365, 90832), (7856, 85155), (8110, 82488), (9732, 68740), (9820, 68124), (10311, 64880), (11354, 58920), (11784, 56770), (12165, 54992), (12976, 51555), (13748, 48660), (14730, 45416), (16220, 41244), (17031, 39280), (17185, 38928), (19464, 34370), (19640, 34062), (20622, 32440), (22708, 29460), (23568, 28385), (24330, 27496)]