80640581.000000000

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{22853}}^1$

素因数の和:22880

約数の個数: 72

約数和(自身を含む): 328274856

約数和(自身を除く): 220774344

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, 22853, 45706, 68559, 91412, 137118, 159971, 182824, 274236, 319942, 365648, 479913, 548472, 639884, 731296, 959826, 1096944, 1119797, 1279768, 1919652, 2193888, 2239594, 2559536, 3359391, 3839304, 4479188, 5119072, 6718782, 7678608, 8958376, 13437564, 15357216, 17916752, 26875128, 35833504, 53750256, 107500512]

約数ペア:

[(1, 107500512), (2, 53750256), (3, 35833504), (4, 26875128), (6, 17916752), (7, 15357216), (8, 13437564), (12, 8958376), (14, 7678608), (16, 6718782), (21, 5119072), (24, 4479188), (28, 3839304), (32, 3359391), (42, 2559536), (48, 2239594), (49, 2193888), (56, 1919652), (84, 1279768), (96, 1119797), (98, 1096944), (112, 959826), (147, 731296), (168, 639884), (196, 548472), (224, 479913), (294, 365648), (336, 319942), (392, 274236), (588, 182824), (672, 159971), (784, 137118), (1176, 91412), (1568, 68559), (2352, 45706), (4704, 22853)]