78808520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7607}}^1$

素因数の和:7662

約数の個数: 64

約数和(自身を含む): 208154880

約数和(自身を除く): 129346360

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, 7607, 10360, 15214, 30428, 38035, 53249, 60856, 76070, 106498, 152140, 212996, 266245, 281459, 304280, 425992, 532490, 562918, 1064980, 1125836, 1407295, 1970213, 2129960, 2251672, 2814590, 3940426, 5629180, 7880852, 9851065, 11258360, 15761704, 19702130, 39404260, 78808520]

約数ペア:

[(1, 78808520), (2, 39404260), (4, 19702130), (5, 15761704), (7, 11258360), (8, 9851065), (10, 7880852), (14, 5629180), (20, 3940426), (28, 2814590), (35, 2251672), (37, 2129960), (40, 1970213), (56, 1407295), (70, 1125836), (74, 1064980), (140, 562918), (148, 532490), (185, 425992), (259, 304280), (280, 281459), (296, 266245), (370, 212996), (518, 152140), (740, 106498), (1036, 76070), (1295, 60856), (1480, 53249), (2072, 38035), (2590, 30428), (5180, 15214), (7607, 10360)]