2080508520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1\times {\mathrm{757}}^1$

素因数の和:1427

約数の個数: 128

約数和(自身を含む): 6429052800

約数和(自身を除く): 4348544280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 619, 740, 757, 888, 1110, 1238, 1480, 1514, 1857, 2220, 2271, 2476, 3028, 3095, 3714, 3785, 4440, 4542, 4952, 6056, 6190, 7428, 7570, 9084, 9285, 11355, 12380, 14856, 15140, 18168, 18570, 22710, 22903, 24760, 28009, 30280, 37140, 45420, 45806, 56018, 68709, 74280, 84027, 90840, 91612, 112036, 114515, 137418, 140045, 168054, 183224, 224072, 229030, 274836, 280090, 336108, 343545, 420135, 458060, 468583, 549672, 560180, 672216, 687090, 840270, 916120, 937166, 1120360, 1374180, 1405749, 1680540, 1874332, 2342915, 2748360, 2811498, 3361080, 3748664, 4685830, 5622996, 7028745, 9371660, 11245992, 14057490, 17337571, 18743320, 28114980, 34675142, 52012713, 56229960, 69350284, 86687855, 104025426, 138700568, 173375710, 208050852, 260063565, 346751420, 416101704, 520127130, 693502840, 1040254260, 2080508520]

約数ペア:

[(1, 2080508520), (2, 1040254260), (3, 693502840), (4, 520127130), (5, 416101704), (6, 346751420), (8, 260063565), (10, 208050852), (12, 173375710), (15, 138700568), (20, 104025426), (24, 86687855), (30, 69350284), (37, 56229960), (40, 52012713), (60, 34675142), (74, 28114980), (111, 18743320), (120, 17337571), (148, 14057490), (185, 11245992), (222, 9371660), (296, 7028745), (370, 5622996), (444, 4685830), (555, 3748664), (619, 3361080), (740, 2811498), (757, 2748360), (888, 2342915), (1110, 1874332), (1238, 1680540), (1480, 1405749), (1514, 1374180), (1857, 1120360), (2220, 937166), (2271, 916120), (2476, 840270), (3028, 687090), (3095, 672216), (3714, 560180), (3785, 549672), (4440, 468583), (4542, 458060), (4952, 420135), (6056, 343545), (6190, 336108), (7428, 280090), (7570, 274836), (9084, 229030), (9285, 224072), (11355, 183224), (12380, 168054), (14856, 140045), (15140, 137418), (18168, 114515), (18570, 112036), (22710, 91612), (22903, 90840), (24760, 84027), (28009, 74280), (30280, 68709), (37140, 56018), (45420, 45806)]