81343584

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 267085728

約数和(自身を除く): 185742144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 157, 168, 224, 252, 257, 288, 314, 336, 471, 504, 514, 628, 672, 771, 942, 1008, 1028, 1099, 1256, 1413, 1542, 1799, 1884, 2016, 2056, 2198, 2313, 2512, 2826, 3084, 3297, 3598, 3768, 4112, 4396, 4626, 5024, 5397, 5652, 6168, 6594, 7196, 7536, 8224, 8792, 9252, 9891, 10794, 11304, 12336, 13188, 14392, 15072, 16191, 17584, 18504, 19782, 21588, 22608, 24672, 26376, 28784, 32382, 35168, 37008, 39564, 40349, 43176, 45216, 52752, 57568, 64764, 74016, 79128, 80698, 86352, 105504, 121047, 129528, 158256, 161396, 172704, 242094, 259056, 282443, 316512, 322792, 363141, 484188, 518112, 564886, 645584, 726282, 847329, 968376, 1129772, 1291168, 1452564, 1694658, 1936752, 2259544, 2541987, 2905128, 3389316, 3873504, 4519088, 5083974, 5810256, 6778632, 9038176, 10167948, 11620512, 13557264, 20335896, 27114528, 40671792, 81343584]

約数ペア:

[(1, 81343584), (2, 40671792), (3, 27114528), (4, 20335896), (6, 13557264), (7, 11620512), (8, 10167948), (9, 9038176), (12, 6778632), (14, 5810256), (16, 5083974), (18, 4519088), (21, 3873504), (24, 3389316), (28, 2905128), (32, 2541987), (36, 2259544), (42, 1936752), (48, 1694658), (56, 1452564), (63, 1291168), (72, 1129772), (84, 968376), (96, 847329), (112, 726282), (126, 645584), (144, 564886), (157, 518112), (168, 484188), (224, 363141), (252, 322792), (257, 316512), (288, 282443), (314, 259056), (336, 242094), (471, 172704), (504, 161396), (514, 158256), (628, 129528), (672, 121047), (771, 105504), (942, 86352), (1008, 80698), (1028, 79128), (1099, 74016), (1256, 64764), (1413, 57568), (1542, 52752), (1799, 45216), (1884, 43176), (2016, 40349), (2056, 39564), (2198, 37008), (2313, 35168), (2512, 32382), (2826, 28784), (3084, 26376), (3297, 24672), (3598, 22608), (3768, 21588), (4112, 19782), (4396, 18504), (4626, 17584), (5024, 16191), (5397, 15072), (5652, 14392), (6168, 13188), (6594, 12336), (7196, 11304), (7536, 10794), (8224, 9891), (8792, 9252)]