16689840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 52148448

約数和(自身を除く): 35458608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 353, 394, 591, 706, 788, 985, 1059, 1182, 1412, 1576, 1765, 1970, 2118, 2364, 2824, 2955, 3152, 3530, 3940, 4236, 4728, 5295, 5648, 5910, 7060, 7880, 8472, 9456, 10590, 11820, 14120, 15760, 16944, 21180, 23640, 28240, 42360, 47280, 69541, 84720, 139082, 208623, 278164, 347705, 417246, 556328, 695410, 834492, 1043115, 1112656, 1390820, 1668984, 2086230, 2781640, 3337968, 4172460, 5563280, 8344920, 16689840]

約数ペア:

[(1, 16689840), (2, 8344920), (3, 5563280), (4, 4172460), (5, 3337968), (6, 2781640), (8, 2086230), (10, 1668984), (12, 1390820), (15, 1112656), (16, 1043115), (20, 834492), (24, 695410), (30, 556328), (40, 417246), (48, 347705), (60, 278164), (80, 208623), (120, 139082), (197, 84720), (240, 69541), (353, 47280), (394, 42360), (591, 28240), (706, 23640), (788, 21180), (985, 16944), (1059, 15760), (1182, 14120), (1412, 11820), (1576, 10590), (1765, 9456), (1970, 8472), (2118, 7880), (2364, 7060), (2824, 5910), (2955, 5648), (3152, 5295), (3530, 4728), (3940, 4236)]