81340704

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4787}}^1$

素因数の和:4862

約数の個数: 72

約数和(自身を含む): 235282320

約数和(自身を除く): 153941616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1416, 1888, 2124, 2832, 4248, 4787, 5664, 8496, 9574, 14361, 16992, 19148, 28722, 38296, 43083, 57444, 76592, 86166, 114888, 153184, 172332, 229776, 282433, 344664, 459552, 564866, 689328, 847299, 1129732, 1378656, 1694598, 2259464, 2541897, 3389196, 4518928, 5083794, 6778392, 9037856, 10167588, 13556784, 20335176, 27113568, 40670352, 81340704]

約数ペア:

[(1, 81340704), (2, 40670352), (3, 27113568), (4, 20335176), (6, 13556784), (8, 10167588), (9, 9037856), (12, 6778392), (16, 5083794), (18, 4518928), (24, 3389196), (32, 2541897), (36, 2259464), (48, 1694598), (59, 1378656), (72, 1129732), (96, 847299), (118, 689328), (144, 564866), (177, 459552), (236, 344664), (288, 282433), (354, 229776), (472, 172332), (531, 153184), (708, 114888), (944, 86166), (1062, 76592), (1416, 57444), (1888, 43083), (2124, 38296), (2832, 28722), (4248, 19148), (4787, 16992), (5664, 14361), (8496, 9574)]