258776640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 224

約数和(自身を含む): 929761920

約数和(自身を除く): 670985280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 432, 480, 488, 491, 540, 549, 576, 610, 720, 732, 864, 915, 960, 976, 982, 1080, 1098, 1220, 1440, 1464, 1473, 1647, 1728, 1830, 1952, 1964, 2160, 2196, 2440, 2455, 2745, 2880, 2928, 2946, 3294, 3660, 3904, 3928, 4320, 4392, 4419, 4880, 4910, 5490, 5856, 5892, 6588, 7320, 7365, 7856, 8235, 8640, 8784, 8838, 9760, 9820, 10980, 11712, 11784, 13176, 13257, 14640, 14730, 15712, 16470, 17568, 17676, 19520, 19640, 21960, 22095, 23568, 26352, 26514, 29280, 29460, 29951, 31424, 32940, 35136, 35352, 39280, 43920, 44190, 47136, 52704, 53028, 58560, 58920, 59902, 65880, 66285, 70704, 78560, 87840, 88380, 89853, 94272, 105408, 106056, 117840, 119804, 131760, 132570, 141408, 149755, 157120, 175680, 176760, 179706, 212112, 235680, 239608, 263520, 265140, 269559, 282816, 299510, 353520, 359412, 424224, 449265, 471360, 479216, 527040, 530280, 539118, 599020, 707040, 718824, 808677, 848448, 898530, 958432, 1060560, 1078236, 1198040, 1347795, 1414080, 1437648, 1617354, 1797060, 1916864, 2121120, 2156472, 2396080, 2695590, 2875296, 3234708, 3594120, 4043385, 4242240, 4312944, 4792160, 5391180, 5750592, 6469416, 7188240, 8086770, 8625888, 9584320, 10782360, 12938832, 14376480, 16173540, 17251776, 21564720, 25877664, 28752960, 32347080, 43129440, 51755328, 64694160, 86258880, 129388320, 258776640]

約数ペア:

[(1, 258776640), (2, 129388320), (3, 86258880), (4, 64694160), (5, 51755328), (6, 43129440), (8, 32347080), (9, 28752960), (10, 25877664), (12, 21564720), (15, 17251776), (16, 16173540), (18, 14376480), (20, 12938832), (24, 10782360), (27, 9584320), (30, 8625888), (32, 8086770), (36, 7188240), (40, 6469416), (45, 5750592), (48, 5391180), (54, 4792160), (60, 4312944), (61, 4242240), (64, 4043385), (72, 3594120), (80, 3234708), (90, 2875296), (96, 2695590), (108, 2396080), (120, 2156472), (122, 2121120), (135, 1916864), (144, 1797060), (160, 1617354), (180, 1437648), (183, 1414080), (192, 1347795), (216, 1198040), (240, 1078236), (244, 1060560), (270, 958432), (288, 898530), (305, 848448), (320, 808677), (360, 718824), (366, 707040), (432, 599020), (480, 539118), (488, 530280), (491, 527040), (540, 479216), (549, 471360), (576, 449265), (610, 424224), (720, 359412), (732, 353520), (864, 299510), (915, 282816), (960, 269559), (976, 265140), (982, 263520), (1080, 239608), (1098, 235680), (1220, 212112), (1440, 179706), (1464, 176760), (1473, 175680), (1647, 157120), (1728, 149755), (1830, 141408), (1952, 132570), (1964, 131760), (2160, 119804), (2196, 117840), (2440, 106056), (2455, 105408), (2745, 94272), (2880, 89853), (2928, 88380), (2946, 87840), (3294, 78560), (3660, 70704), (3904, 66285), (3928, 65880), (4320, 59902), (4392, 58920), (4419, 58560), (4880, 53028), (4910, 52704), (5490, 47136), (5856, 44190), (5892, 43920), (6588, 39280), (7320, 35352), (7365, 35136), (7856, 32940), (8235, 31424), (8640, 29951), (8784, 29460), (8838, 29280), (9760, 26514), (9820, 26352), (10980, 23568), (11712, 22095), (11784, 21960), (13176, 19640), (13257, 19520), (14640, 17676), (14730, 17568), (15712, 16470)]