255375720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1321}}^1$

素因数の和:1520

約数の個数: 128

約数和(自身を含む): 856656000

約数和(自身を除く): 601280280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 179, 180, 216, 270, 358, 360, 537, 540, 716, 895, 1074, 1080, 1321, 1432, 1611, 1790, 2148, 2642, 2685, 3222, 3580, 3963, 4296, 4833, 5284, 5370, 6444, 6605, 7160, 7926, 8055, 9666, 10568, 10740, 11889, 12888, 13210, 15852, 16110, 19332, 19815, 21480, 23778, 24165, 26420, 31704, 32220, 35667, 38664, 39630, 47556, 48330, 52840, 59445, 64440, 71334, 79260, 95112, 96660, 118890, 142668, 158520, 178335, 193320, 236459, 237780, 285336, 356670, 472918, 475560, 709377, 713340, 945836, 1182295, 1418754, 1426680, 1891672, 2128131, 2364590, 2837508, 3546885, 4256262, 4729180, 5675016, 6384393, 7093770, 8512524, 9458360, 10640655, 12768786, 14187540, 17025048, 21281310, 25537572, 28375080, 31921965, 42562620, 51075144, 63843930, 85125240, 127687860, 255375720]

約数ペア:

[(1, 255375720), (2, 127687860), (3, 85125240), (4, 63843930), (5, 51075144), (6, 42562620), (8, 31921965), (9, 28375080), (10, 25537572), (12, 21281310), (15, 17025048), (18, 14187540), (20, 12768786), (24, 10640655), (27, 9458360), (30, 8512524), (36, 7093770), (40, 6384393), (45, 5675016), (54, 4729180), (60, 4256262), (72, 3546885), (90, 2837508), (108, 2364590), (120, 2128131), (135, 1891672), (179, 1426680), (180, 1418754), (216, 1182295), (270, 945836), (358, 713340), (360, 709377), (537, 475560), (540, 472918), (716, 356670), (895, 285336), (1074, 237780), (1080, 236459), (1321, 193320), (1432, 178335), (1611, 158520), (1790, 142668), (2148, 118890), (2642, 96660), (2685, 95112), (3222, 79260), (3580, 71334), (3963, 64440), (4296, 59445), (4833, 52840), (5284, 48330), (5370, 47556), (6444, 39630), (6605, 38664), (7160, 35667), (7926, 32220), (8055, 31704), (9666, 26420), (10568, 24165), (10740, 23778), (11889, 21480), (12888, 19815), (13210, 19332), (15852, 16110)]