128555280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1158

約数の個数: 240

約数和(自身を含む): 515324160

約数和(自身を除く): 386768880

約数列:

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

約数ペア:

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