311333280

素因数分解:

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

素因数の和:1830

約数の個数: 96

約数和(自身を含む): 983441088

約数和(自身を除く): 672107808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 491, 982, 1321, 1473, 1964, 2455, 2642, 2946, 3928, 3963, 4910, 5284, 5892, 6605, 7365, 7856, 7926, 9820, 10568, 11784, 13210, 14730, 15712, 15852, 19640, 19815, 21136, 23568, 26420, 29460, 31704, 39280, 39630, 42272, 47136, 52840, 58920, 63408, 78560, 79260, 105680, 117840, 126816, 158520, 211360, 235680, 317040, 634080, 648611, 1297222, 1945833, 2594444, 3243055, 3891666, 5188888, 6486110, 7783332, 9729165, 10377776, 12972220, 15566664, 19458330, 20755552, 25944440, 31133328, 38916660, 51888880, 62266656, 77833320, 103777760, 155666640, 311333280]

約数ペア:

[(1, 311333280), (2, 155666640), (3, 103777760), (4, 77833320), (5, 62266656), (6, 51888880), (8, 38916660), (10, 31133328), (12, 25944440), (15, 20755552), (16, 19458330), (20, 15566664), (24, 12972220), (30, 10377776), (32, 9729165), (40, 7783332), (48, 6486110), (60, 5188888), (80, 3891666), (96, 3243055), (120, 2594444), (160, 1945833), (240, 1297222), (480, 648611), (491, 634080), (982, 317040), (1321, 235680), (1473, 211360), (1964, 158520), (2455, 126816), (2642, 117840), (2946, 105680), (3928, 79260), (3963, 78560), (4910, 63408), (5284, 58920), (5892, 52840), (6605, 47136), (7365, 42272), (7856, 39630), (7926, 39280), (9820, 31704), (10568, 29460), (11784, 26420), (13210, 23568), (14730, 21136), (15712, 19815), (15852, 19640)]