268275280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:933

約数の個数: 160

約数和(自身を含む): 786449664

約数和(自身を除く): 518174384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 208, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 560, 602, 688, 728, 857, 860, 910, 1040, 1118, 1204, 1456, 1505, 1714, 1720, 1820, 2236, 2408, 2795, 3010, 3428, 3440, 3640, 3913, 4285, 4472, 4816, 5590, 5999, 6020, 6856, 7280, 7826, 8570, 8944, 11141, 11180, 11998, 12040, 13712, 15652, 17140, 19565, 22282, 22360, 23996, 24080, 29995, 31304, 34280, 36851, 39130, 44564, 44720, 47992, 55705, 59990, 62608, 68560, 73702, 77987, 78260, 89128, 95984, 111410, 119980, 147404, 155974, 156520, 178256, 184255, 222820, 239960, 257957, 294808, 311948, 313040, 368510, 389935, 445640, 479063, 479920, 515914, 589616, 623896, 737020, 779870, 891280, 958126, 1031828, 1247792, 1289785, 1474040, 1559740, 1916252, 2063656, 2395315, 2579570, 2948080, 3119480, 3353441, 3832504, 4127312, 4790630, 5159140, 6238960, 6706882, 7665008, 9581260, 10318280, 13413764, 16767205, 19162520, 20636560, 26827528, 33534410, 38325040, 53655056, 67068820, 134137640, 268275280]

約数ペア:

[(1, 268275280), (2, 134137640), (4, 67068820), (5, 53655056), (7, 38325040), (8, 33534410), (10, 26827528), (13, 20636560), (14, 19162520), (16, 16767205), (20, 13413764), (26, 10318280), (28, 9581260), (35, 7665008), (40, 6706882), (43, 6238960), (52, 5159140), (56, 4790630), (65, 4127312), (70, 3832504), (80, 3353441), (86, 3119480), (91, 2948080), (104, 2579570), (112, 2395315), (130, 2063656), (140, 1916252), (172, 1559740), (182, 1474040), (208, 1289785), (215, 1247792), (260, 1031828), (280, 958126), (301, 891280), (344, 779870), (364, 737020), (430, 623896), (455, 589616), (520, 515914), (559, 479920), (560, 479063), (602, 445640), (688, 389935), (728, 368510), (857, 313040), (860, 311948), (910, 294808), (1040, 257957), (1118, 239960), (1204, 222820), (1456, 184255), (1505, 178256), (1714, 156520), (1720, 155974), (1820, 147404), (2236, 119980), (2408, 111410), (2795, 95984), (3010, 89128), (3428, 78260), (3440, 77987), (3640, 73702), (3913, 68560), (4285, 62608), (4472, 59990), (4816, 55705), (5590, 47992), (5999, 44720), (6020, 44564), (6856, 39130), (7280, 36851), (7826, 34280), (8570, 31304), (8944, 29995), (11141, 24080), (11180, 23996), (11998, 22360), (12040, 22282), (13712, 19565), (15652, 17140)]