2017880820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{17489}}^1$

素因数の和:18145

約数の個数: 72

約数和(自身を含む): 6130804680

約数和(自身を除く): 4112923860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 641, 1282, 1923, 2564, 3205, 3846, 5769, 6410, 7692, 9615, 11538, 12820, 17489, 19230, 23076, 28845, 34978, 38460, 52467, 57690, 69956, 87445, 104934, 115380, 157401, 174890, 209868, 262335, 314802, 349780, 524670, 629604, 787005, 1049340, 1574010, 3148020, 11210449, 22420898, 33631347, 44841796, 56052245, 67262694, 100894041, 112104490, 134525388, 168156735, 201788082, 224208980, 336313470, 403576164, 504470205, 672626940, 1008940410, 2017880820]

約数ペア:

[(1, 2017880820), (2, 1008940410), (3, 672626940), (4, 504470205), (5, 403576164), (6, 336313470), (9, 224208980), (10, 201788082), (12, 168156735), (15, 134525388), (18, 112104490), (20, 100894041), (30, 67262694), (36, 56052245), (45, 44841796), (60, 33631347), (90, 22420898), (180, 11210449), (641, 3148020), (1282, 1574010), (1923, 1049340), (2564, 787005), (3205, 629604), (3846, 524670), (5769, 349780), (6410, 314802), (7692, 262335), (9615, 209868), (11538, 174890), (12820, 157401), (17489, 115380), (19230, 104934), (23076, 87445), (28845, 69956), (34978, 57690), (38460, 52467)]