220387520

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4561}}^1$

素因数の和:4729

約数の個数: 56

約数和(自身を含む): 528389088

約数和(自身を除く): 308001568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1510, 2416, 3020, 4561, 4832, 6040, 9122, 9664, 12080, 18244, 22805, 24160, 36488, 45610, 48320, 72976, 91220, 145952, 182440, 291904, 364880, 688711, 729760, 1377422, 1459520, 2754844, 3443555, 5509688, 6887110, 11019376, 13774220, 22038752, 27548440, 44077504, 55096880, 110193760, 220387520]

約数ペア:

[(1, 220387520), (2, 110193760), (4, 55096880), (5, 44077504), (8, 27548440), (10, 22038752), (16, 13774220), (20, 11019376), (32, 6887110), (40, 5509688), (64, 3443555), (80, 2754844), (151, 1459520), (160, 1377422), (302, 729760), (320, 688711), (604, 364880), (755, 291904), (1208, 182440), (1510, 145952), (2416, 91220), (3020, 72976), (4561, 48320), (4832, 45610), (6040, 36488), (9122, 24160), (9664, 22805), (12080, 18244)]