15966440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 25505560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 449, 508, 635, 889, 898, 1016, 1270, 1778, 1796, 2245, 2540, 3143, 3556, 3592, 4445, 4490, 5080, 6286, 7112, 8890, 8980, 12572, 15715, 17780, 17960, 25144, 31430, 35560, 57023, 62860, 114046, 125720, 228092, 285115, 399161, 456184, 570230, 798322, 1140460, 1596644, 1995805, 2280920, 3193288, 3991610, 7983220, 15966440]

約数ペア:

[(1, 15966440), (2, 7983220), (4, 3991610), (5, 3193288), (7, 2280920), (8, 1995805), (10, 1596644), (14, 1140460), (20, 798322), (28, 570230), (35, 456184), (40, 399161), (56, 285115), (70, 228092), (127, 125720), (140, 114046), (254, 62860), (280, 57023), (449, 35560), (508, 31430), (635, 25144), (889, 17960), (898, 17780), (1016, 15715), (1270, 12572), (1778, 8980), (1796, 8890), (2245, 7112), (2540, 6286), (3143, 5080), (3556, 4490), (3592, 4445)]