155666640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1321}}^1$

素因数の和:1828

約数の個数: 80

約数和(自身を含む): 483915456

約数和(自身を除く): 328248816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1321, 1473, 1964, 2455, 2642, 2946, 3928, 3963, 4910, 5284, 5892, 6605, 7365, 7856, 7926, 9820, 10568, 11784, 13210, 14730, 15852, 19640, 19815, 21136, 23568, 26420, 29460, 31704, 39280, 39630, 52840, 58920, 63408, 79260, 105680, 117840, 158520, 317040, 648611, 1297222, 1945833, 2594444, 3243055, 3891666, 5188888, 6486110, 7783332, 9729165, 10377776, 12972220, 15566664, 19458330, 25944440, 31133328, 38916660, 51888880, 77833320, 155666640]

約数ペア:

[(1, 155666640), (2, 77833320), (3, 51888880), (4, 38916660), (5, 31133328), (6, 25944440), (8, 19458330), (10, 15566664), (12, 12972220), (15, 10377776), (16, 9729165), (20, 7783332), (24, 6486110), (30, 5188888), (40, 3891666), (48, 3243055), (60, 2594444), (80, 1945833), (120, 1297222), (240, 648611), (491, 317040), (982, 158520), (1321, 117840), (1473, 105680), (1964, 79260), (2455, 63408), (2642, 58920), (2946, 52840), (3928, 39630), (3963, 39280), (4910, 31704), (5284, 29460), (5892, 26420), (6605, 23568), (7365, 21136), (7856, 19815), (7926, 19640), (9820, 15852), (10568, 14730), (11784, 13210)]