15345680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 41485440

約数和(自身を除く): 26139760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 409, 469, 536, 560, 670, 818, 938, 1072, 1340, 1636, 1876, 2045, 2345, 2680, 2863, 3272, 3752, 4090, 4690, 5360, 5726, 6544, 7504, 8180, 9380, 11452, 14315, 16360, 18760, 22904, 27403, 28630, 32720, 37520, 45808, 54806, 57260, 109612, 114520, 137015, 191821, 219224, 229040, 274030, 383642, 438448, 548060, 767284, 959105, 1096120, 1534568, 1918210, 2192240, 3069136, 3836420, 7672840, 15345680]

約数ペア:

[(1, 15345680), (2, 7672840), (4, 3836420), (5, 3069136), (7, 2192240), (8, 1918210), (10, 1534568), (14, 1096120), (16, 959105), (20, 767284), (28, 548060), (35, 438448), (40, 383642), (56, 274030), (67, 229040), (70, 219224), (80, 191821), (112, 137015), (134, 114520), (140, 109612), (268, 57260), (280, 54806), (335, 45808), (409, 37520), (469, 32720), (536, 28630), (560, 27403), (670, 22904), (818, 18760), (938, 16360), (1072, 14315), (1340, 11452), (1636, 9380), (1876, 8180), (2045, 7504), (2345, 6544), (2680, 5726), (2863, 5360), (3272, 4690), (3752, 4090)]