66752560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 178560000

約数和(自身を除く): 111807440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 599, 796, 995, 1198, 1393, 1592, 1990, 2396, 2786, 2995, 3184, 3980, 4193, 4792, 5572, 5990, 6965, 7960, 8386, 9584, 11144, 11980, 13930, 15920, 16772, 20965, 22288, 23960, 27860, 33544, 41930, 47920, 55720, 67088, 83860, 111440, 119201, 167720, 238402, 335440, 476804, 596005, 834407, 953608, 1192010, 1668814, 1907216, 2384020, 3337628, 4172035, 4768040, 6675256, 8344070, 9536080, 13350512, 16688140, 33376280, 66752560]

約数ペア:

[(1, 66752560), (2, 33376280), (4, 16688140), (5, 13350512), (7, 9536080), (8, 8344070), (10, 6675256), (14, 4768040), (16, 4172035), (20, 3337628), (28, 2384020), (35, 1907216), (40, 1668814), (56, 1192010), (70, 953608), (80, 834407), (112, 596005), (140, 476804), (199, 335440), (280, 238402), (398, 167720), (560, 119201), (599, 111440), (796, 83860), (995, 67088), (1198, 55720), (1393, 47920), (1592, 41930), (1990, 33544), (2396, 27860), (2786, 23960), (2995, 22288), (3184, 20965), (3980, 16772), (4193, 15920), (4792, 13930), (5572, 11980), (5990, 11144), (6965, 9584), (7960, 8386)]