72489440

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3307}}^1$

素因数の和:3459

約数の個数: 48

約数和(自身を含む): 172558512

約数和(自身を除く): 100069072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3307, 4384, 5480, 6614, 10960, 13228, 16535, 21920, 26456, 33070, 52912, 66140, 105824, 132280, 264560, 453059, 529120, 906118, 1812236, 2265295, 3624472, 4530590, 7248944, 9061180, 14497888, 18122360, 36244720, 72489440]

約数ペア:

[(1, 72489440), (2, 36244720), (4, 18122360), (5, 14497888), (8, 9061180), (10, 7248944), (16, 4530590), (20, 3624472), (32, 2265295), (40, 1812236), (80, 906118), (137, 529120), (160, 453059), (274, 264560), (548, 132280), (685, 105824), (1096, 66140), (1370, 52912), (2192, 33070), (2740, 26456), (3307, 21920), (4384, 16535), (5480, 13228), (6614, 10960)]