257110560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1160

約数の個数: 288

約数和(自身を含む): 1047271680

約数和(自身を除く): 790161120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1109, 1120, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2208, 2218, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3327, 3360, 3680, 3864, 4140, 4436, 4830, 5040, 5152, 5520, 5545, 5796, 6440, 6624, 6654, 7245, 7728, 7763, 8280, 8872, 9660, 9981, 10080, 11040, 11090, 11592, 12880, 13308, 14490, 15456, 15526, 16560, 16635, 17744, 19320, 19962, 22180, 23184, 23289, 25507, 25760, 26616, 28980, 31052, 33120, 33270, 35488, 38640, 38815, 39924, 44360, 46368, 46578, 49905, 51014, 53232, 57960, 62104, 66540, 69867, 76521, 77280, 77630, 79848, 88720, 93156, 99810, 102028, 106464, 115920, 116445, 124208, 127535, 133080, 139734, 153042, 155260, 159696, 177440, 178549, 186312, 199620, 204056, 229563, 231840, 232890, 248416, 255070, 266160, 279468, 306084, 310520, 319392, 349335, 357098, 372624, 382605, 399240, 408112, 459126, 465780, 510140, 532320, 535647, 558936, 612168, 621040, 698670, 714196, 745248, 765210, 798480, 816224, 892745, 918252, 931560, 1020280, 1071294, 1117872, 1147815, 1224336, 1242080, 1397340, 1428392, 1530420, 1596960, 1606941, 1785490, 1836504, 1863120, 2040560, 2142588, 2235744, 2295630, 2448672, 2678235, 2794680, 2856784, 3060840, 3213882, 3570980, 3673008, 3726240, 4081120, 4285176, 4591260, 5356470, 5589360, 5713568, 6121680, 6427764, 7141960, 7346016, 8034705, 8570352, 9182520, 10712940, 11178720, 12243360, 12855528, 14283920, 16069410, 17140704, 18365040, 21425880, 25711056, 28567840, 32138820, 36730080, 42851760, 51422112, 64277640, 85703520, 128555280, 257110560]

約数ペア:

[(1, 257110560), (2, 128555280), (3, 85703520), (4, 64277640), (5, 51422112), (6, 42851760), (7, 36730080), (8, 32138820), (9, 28567840), (10, 25711056), (12, 21425880), (14, 18365040), (15, 17140704), (16, 16069410), (18, 14283920), (20, 12855528), (21, 12243360), (23, 11178720), (24, 10712940), (28, 9182520), (30, 8570352), (32, 8034705), (35, 7346016), (36, 7141960), (40, 6427764), (42, 6121680), (45, 5713568), (46, 5589360), (48, 5356470), (56, 4591260), (60, 4285176), (63, 4081120), (69, 3726240), (70, 3673008), (72, 3570980), (80, 3213882), (84, 3060840), (90, 2856784), (92, 2794680), (96, 2678235), (105, 2448672), (112, 2295630), (115, 2235744), (120, 2142588), (126, 2040560), (138, 1863120), (140, 1836504), (144, 1785490), (160, 1606941), (161, 1596960), (168, 1530420), (180, 1428392), (184, 1397340), (207, 1242080), (210, 1224336), (224, 1147815), (230, 1117872), (240, 1071294), (252, 1020280), (276, 931560), (280, 918252), (288, 892745), (315, 816224), (322, 798480), (336, 765210), (345, 745248), (360, 714196), (368, 698670), (414, 621040), (420, 612168), (460, 558936), (480, 535647), (483, 532320), (504, 510140), (552, 465780), (560, 459126), (630, 408112), (644, 399240), (672, 382605), (690, 372624), (720, 357098), (736, 349335), (805, 319392), (828, 310520), (840, 306084), (920, 279468), (966, 266160), (1008, 255070), (1035, 248416), (1104, 232890), (1109, 231840), (1120, 229563), (1260, 204056), (1288, 199620), (1380, 186312), (1440, 178549), (1449, 177440), (1610, 159696), (1656, 155260), (1680, 153042), (1840, 139734), (1932, 133080), (2016, 127535), (2070, 124208), (2208, 116445), (2218, 115920), (2415, 106464), (2520, 102028), (2576, 99810), (2760, 93156), (2898, 88720), (3220, 79848), (3312, 77630), (3327, 77280), (3360, 76521), (3680, 69867), (3864, 66540), (4140, 62104), (4436, 57960), (4830, 53232), (5040, 51014), (5152, 49905), (5520, 46578), (5545, 46368), (5796, 44360), (6440, 39924), (6624, 38815), (6654, 38640), (7245, 35488), (7728, 33270), (7763, 33120), (8280, 31052), (8872, 28980), (9660, 26616), (9981, 25760), (10080, 25507), (11040, 23289), (11090, 23184), (11592, 22180), (12880, 19962), (13308, 19320), (14490, 17744), (15456, 16635), (15526, 16560)]