261892008

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{173209}}^1$

素因数の和:173231

約数の個数: 64

約数和(自身を含む): 831408000

約数和(自身を除く): 569515992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 173209, 346418, 519627, 692836, 1039254, 1212463, 1385672, 1558881, 2078508, 2424926, 3117762, 3637389, 4157016, 4676643, 4849852, 6235524, 7274778, 9353286, 9699704, 10912167, 12471048, 14549556, 18706572, 21824334, 29099112, 32736501, 37413144, 43648668, 65473002, 87297336, 130946004, 261892008]

約数ペア:

[(1, 261892008), (2, 130946004), (3, 87297336), (4, 65473002), (6, 43648668), (7, 37413144), (8, 32736501), (9, 29099112), (12, 21824334), (14, 18706572), (18, 14549556), (21, 12471048), (24, 10912167), (27, 9699704), (28, 9353286), (36, 7274778), (42, 6235524), (54, 4849852), (56, 4676643), (63, 4157016), (72, 3637389), (84, 3117762), (108, 2424926), (126, 2078508), (168, 1558881), (189, 1385672), (216, 1212463), (252, 1039254), (378, 692836), (504, 519627), (756, 346418), (1512, 173209)]