82820640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^2$

素因数の和:339

約数の個数: 144

約数和(自身を含む): 300065472

約数和(自身を除く): 217244832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 157, 160, 168, 210, 224, 240, 280, 314, 336, 420, 471, 480, 560, 628, 672, 785, 840, 942, 1099, 1120, 1256, 1570, 1680, 1884, 2198, 2355, 2512, 3140, 3297, 3360, 3768, 4396, 4710, 5024, 5495, 6280, 6594, 7536, 8792, 9420, 10990, 12560, 13188, 15072, 16485, 17584, 18840, 21980, 24649, 25120, 26376, 32970, 35168, 37680, 43960, 49298, 52752, 65940, 73947, 75360, 87920, 98596, 105504, 123245, 131880, 147894, 172543, 175840, 197192, 246490, 263760, 295788, 345086, 369735, 394384, 492980, 517629, 527520, 591576, 690172, 739470, 788768, 862715, 985960, 1035258, 1183152, 1380344, 1478940, 1725430, 1971920, 2070516, 2366304, 2588145, 2760688, 2957880, 3450860, 3943840, 4141032, 5176290, 5521376, 5915760, 6901720, 8282064, 10352580, 11831520, 13803440, 16564128, 20705160, 27606880, 41410320, 82820640]

約数ペア:

[(1, 82820640), (2, 41410320), (3, 27606880), (4, 20705160), (5, 16564128), (6, 13803440), (7, 11831520), (8, 10352580), (10, 8282064), (12, 6901720), (14, 5915760), (15, 5521376), (16, 5176290), (20, 4141032), (21, 3943840), (24, 3450860), (28, 2957880), (30, 2760688), (32, 2588145), (35, 2366304), (40, 2070516), (42, 1971920), (48, 1725430), (56, 1478940), (60, 1380344), (70, 1183152), (80, 1035258), (84, 985960), (96, 862715), (105, 788768), (112, 739470), (120, 690172), (140, 591576), (157, 527520), (160, 517629), (168, 492980), (210, 394384), (224, 369735), (240, 345086), (280, 295788), (314, 263760), (336, 246490), (420, 197192), (471, 175840), (480, 172543), (560, 147894), (628, 131880), (672, 123245), (785, 105504), (840, 98596), (942, 87920), (1099, 75360), (1120, 73947), (1256, 65940), (1570, 52752), (1680, 49298), (1884, 43960), (2198, 37680), (2355, 35168), (2512, 32970), (3140, 26376), (3297, 25120), (3360, 24649), (3768, 21980), (4396, 18840), (4710, 17584), (5024, 16485), (5495, 15072), (6280, 13188), (6594, 12560), (7536, 10990), (8792, 9420)]