76161280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 206035200

約数和(自身を除く): 129873920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 199, 208, 230, 256, 260, 299, 320, 368, 398, 416, 460, 520, 598, 640, 736, 796, 832, 920, 995, 1040, 1196, 1280, 1472, 1495, 1592, 1664, 1840, 1990, 2080, 2392, 2587, 2944, 2990, 3184, 3328, 3680, 3980, 4160, 4577, 4784, 5174, 5888, 5980, 6368, 7360, 7960, 8320, 9154, 9568, 10348, 11960, 12736, 12935, 14720, 15920, 16640, 18308, 19136, 20696, 22885, 23920, 25472, 25870, 29440, 31840, 36616, 38272, 41392, 45770, 47840, 50944, 51740, 59501, 63680, 73232, 76544, 82784, 91540, 95680, 103480, 119002, 127360, 146464, 165568, 183080, 191360, 206960, 238004, 254720, 292928, 297505, 331136, 366160, 382720, 413920, 476008, 585856, 595010, 662272, 732320, 827840, 952016, 1171712, 1190020, 1464640, 1655680, 1904032, 2380040, 2929280, 3311360, 3808064, 4760080, 5858560, 7616128, 9520160, 15232256, 19040320, 38080640, 76161280]

約数ペア:

[(1, 76161280), (2, 38080640), (4, 19040320), (5, 15232256), (8, 9520160), (10, 7616128), (13, 5858560), (16, 4760080), (20, 3808064), (23, 3311360), (26, 2929280), (32, 2380040), (40, 1904032), (46, 1655680), (52, 1464640), (64, 1190020), (65, 1171712), (80, 952016), (92, 827840), (104, 732320), (115, 662272), (128, 595010), (130, 585856), (160, 476008), (184, 413920), (199, 382720), (208, 366160), (230, 331136), (256, 297505), (260, 292928), (299, 254720), (320, 238004), (368, 206960), (398, 191360), (416, 183080), (460, 165568), (520, 146464), (598, 127360), (640, 119002), (736, 103480), (796, 95680), (832, 91540), (920, 82784), (995, 76544), (1040, 73232), (1196, 63680), (1280, 59501), (1472, 51740), (1495, 50944), (1592, 47840), (1664, 45770), (1840, 41392), (1990, 38272), (2080, 36616), (2392, 31840), (2587, 29440), (2944, 25870), (2990, 25472), (3184, 23920), (3328, 22885), (3680, 20696), (3980, 19136), (4160, 18308), (4577, 16640), (4784, 15920), (5174, 14720), (5888, 12935), (5980, 12736), (6368, 11960), (7360, 10348), (7960, 9568), (8320, 9154)]