217097160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258449}}^1$

素因数の和:258470

約数の個数: 64

約数和(自身を含む): 744336000

約数和(自身を除く): 527238840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 258449, 516898, 775347, 1033796, 1292245, 1550694, 1809143, 2067592, 2584490, 3101388, 3618286, 3876735, 5168980, 5427429, 6202776, 7236572, 7753470, 9045715, 10337960, 10854858, 14473144, 15506940, 18091430, 21709716, 27137145, 31013880, 36182860, 43419432, 54274290, 72365720, 108548580, 217097160]

約数ペア:

[(1, 217097160), (2, 108548580), (3, 72365720), (4, 54274290), (5, 43419432), (6, 36182860), (7, 31013880), (8, 27137145), (10, 21709716), (12, 18091430), (14, 15506940), (15, 14473144), (20, 10854858), (21, 10337960), (24, 9045715), (28, 7753470), (30, 7236572), (35, 6202776), (40, 5427429), (42, 5168980), (56, 3876735), (60, 3618286), (70, 3101388), (84, 2584490), (105, 2067592), (120, 1809143), (140, 1550694), (168, 1292245), (210, 1033796), (280, 775347), (420, 516898), (840, 258449)]