72439864

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 161568000

約数和(自身を除く): 89128136

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 67, 86, 134, 172, 268, 301, 344, 449, 469, 536, 602, 898, 938, 1204, 1796, 1876, 2408, 2881, 3143, 3592, 3752, 5762, 6286, 11524, 12572, 19307, 20167, 23048, 25144, 30083, 38614, 40334, 60166, 77228, 80668, 120332, 135149, 154456, 161336, 210581, 240664, 270298, 421162, 540596, 842324, 1081192, 1293569, 1684648, 2587138, 5174276, 9054983, 10348552, 18109966, 36219932, 72439864]

約数ペア:

[(1, 72439864), (2, 36219932), (4, 18109966), (7, 10348552), (8, 9054983), (14, 5174276), (28, 2587138), (43, 1684648), (56, 1293569), (67, 1081192), (86, 842324), (134, 540596), (172, 421162), (268, 270298), (301, 240664), (344, 210581), (449, 161336), (469, 154456), (536, 135149), (602, 120332), (898, 80668), (938, 77228), (1204, 60166), (1796, 40334), (1876, 38614), (2408, 30083), (2881, 25144), (3143, 23048), (3592, 20167), (3752, 19307), (5762, 12572), (6286, 11524)]