215560520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20807}}^1$

素因数の和:20862

約数の個数: 64

約数和(自身を含む): 569306880

約数和(自身を除く): 353746360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 20807, 41614, 83228, 104035, 145649, 166456, 208070, 291298, 416140, 582596, 728245, 769859, 832280, 1165192, 1456490, 1539718, 2912980, 3079436, 3849295, 5389013, 5825960, 6158872, 7698590, 10778026, 15397180, 21556052, 26945065, 30794360, 43112104, 53890130, 107780260, 215560520]

約数ペア:

[(1, 215560520), (2, 107780260), (4, 53890130), (5, 43112104), (7, 30794360), (8, 26945065), (10, 21556052), (14, 15397180), (20, 10778026), (28, 7698590), (35, 6158872), (37, 5825960), (40, 5389013), (56, 3849295), (70, 3079436), (74, 2912980), (140, 1539718), (148, 1456490), (185, 1165192), (259, 832280), (280, 769859), (296, 728245), (370, 582596), (518, 416140), (740, 291298), (1036, 208070), (1295, 166456), (1480, 145649), (2072, 104035), (2590, 83228), (5180, 41614), (10360, 20807)]