81336864

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17291}}^1$

素因数の和:17318

約数の個数: 72

約数和(自身を含む): 248382288

約数和(自身を除く): 167045424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 17291, 34582, 51873, 69164, 103746, 121037, 138328, 207492, 242074, 276656, 363111, 414984, 484148, 553312, 726222, 829968, 847259, 968296, 1452444, 1659936, 1694518, 1936592, 2541777, 2904888, 3389036, 3873184, 5083554, 5809776, 6778072, 10167108, 11619552, 13556144, 20334216, 27112288, 40668432, 81336864]

約数ペア:

[(1, 81336864), (2, 40668432), (3, 27112288), (4, 20334216), (6, 13556144), (7, 11619552), (8, 10167108), (12, 6778072), (14, 5809776), (16, 5083554), (21, 3873184), (24, 3389036), (28, 2904888), (32, 2541777), (42, 1936592), (48, 1694518), (49, 1659936), (56, 1452444), (84, 968296), (96, 847259), (98, 829968), (112, 726222), (147, 553312), (168, 484148), (196, 414984), (224, 363111), (294, 276656), (336, 242074), (392, 207492), (588, 138328), (672, 121037), (784, 103746), (1176, 69164), (1568, 51873), (2352, 34582), (4704, 17291)]