28564620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:2999

約数の個数: 96

約数和(自身を含む): 95413248

約数和(自身を除く): 66848628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 2957, 3220, 4830, 5914, 8871, 9660, 11828, 14785, 17742, 20699, 29570, 35484, 41398, 44355, 59140, 62097, 68011, 82796, 88710, 103495, 124194, 136022, 177420, 204033, 206990, 248388, 272044, 310485, 340055, 408066, 413980, 476077, 620970, 680110, 816132, 952154, 1020165, 1241940, 1360220, 1428231, 1904308, 2040330, 2380385, 2856462, 4080660, 4760770, 5712924, 7141155, 9521540, 14282310, 28564620]

約数ペア:

[(1, 28564620), (2, 14282310), (3, 9521540), (4, 7141155), (5, 5712924), (6, 4760770), (7, 4080660), (10, 2856462), (12, 2380385), (14, 2040330), (15, 1904308), (20, 1428231), (21, 1360220), (23, 1241940), (28, 1020165), (30, 952154), (35, 816132), (42, 680110), (46, 620970), (60, 476077), (69, 413980), (70, 408066), (84, 340055), (92, 310485), (105, 272044), (115, 248388), (138, 206990), (140, 204033), (161, 177420), (210, 136022), (230, 124194), (276, 103495), (322, 88710), (345, 82796), (420, 68011), (460, 62097), (483, 59140), (644, 44355), (690, 41398), (805, 35484), (966, 29570), (1380, 20699), (1610, 17742), (1932, 14785), (2415, 11828), (2957, 9660), (3220, 8871), (4830, 5914)]