78658380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1741}}^1$

素因数の和:2007

約数の個数: 72

約数和(自身を含む): 239685264

約数和(自身を除く): 161026884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1741, 2259, 2510, 3012, 3482, 3765, 4518, 5020, 5223, 6964, 7530, 8705, 9036, 10446, 11295, 15060, 15669, 17410, 20892, 22590, 26115, 31338, 34820, 45180, 52230, 62676, 78345, 104460, 156690, 313380, 436991, 873982, 1310973, 1747964, 2184955, 2621946, 3932919, 4369910, 5243892, 6554865, 7865838, 8739820, 13109730, 15731676, 19664595, 26219460, 39329190, 78658380]

約数ペア:

[(1, 78658380), (2, 39329190), (3, 26219460), (4, 19664595), (5, 15731676), (6, 13109730), (9, 8739820), (10, 7865838), (12, 6554865), (15, 5243892), (18, 4369910), (20, 3932919), (30, 2621946), (36, 2184955), (45, 1747964), (60, 1310973), (90, 873982), (180, 436991), (251, 313380), (502, 156690), (753, 104460), (1004, 78345), (1255, 62676), (1506, 52230), (1741, 45180), (2259, 34820), (2510, 31338), (3012, 26115), (3482, 22590), (3765, 20892), (4518, 17410), (5020, 15669), (5223, 15060), (6964, 11295), (7530, 10446), (8705, 9036)]