206278920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:900

約数の個数: 128

約数和(自身を含む): 690768000

約数和(自身を除く): 484489080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 389, 491, 540, 778, 982, 1080, 1167, 1473, 1556, 1945, 1964, 2334, 2455, 2946, 3112, 3501, 3890, 3928, 4419, 4668, 4910, 5835, 5892, 7002, 7365, 7780, 8838, 9336, 9820, 10503, 11670, 11784, 13257, 14004, 14730, 15560, 17505, 17676, 19640, 21006, 22095, 23340, 26514, 28008, 29460, 35010, 35352, 42012, 44190, 46680, 52515, 53028, 58920, 66285, 70020, 84024, 88380, 105030, 106056, 132570, 140040, 176760, 190999, 210060, 265140, 381998, 420120, 530280, 572997, 763996, 954995, 1145994, 1527992, 1718991, 1909990, 2291988, 2864985, 3437982, 3819980, 4583976, 5156973, 5729970, 6875964, 7639960, 8594955, 10313946, 11459940, 13751928, 17189910, 20627892, 22919880, 25784865, 34379820, 41255784, 51569730, 68759640, 103139460, 206278920]

約数ペア:

[(1, 206278920), (2, 103139460), (3, 68759640), (4, 51569730), (5, 41255784), (6, 34379820), (8, 25784865), (9, 22919880), (10, 20627892), (12, 17189910), (15, 13751928), (18, 11459940), (20, 10313946), (24, 8594955), (27, 7639960), (30, 6875964), (36, 5729970), (40, 5156973), (45, 4583976), (54, 3819980), (60, 3437982), (72, 2864985), (90, 2291988), (108, 1909990), (120, 1718991), (135, 1527992), (180, 1145994), (216, 954995), (270, 763996), (360, 572997), (389, 530280), (491, 420120), (540, 381998), (778, 265140), (982, 210060), (1080, 190999), (1167, 176760), (1473, 140040), (1556, 132570), (1945, 106056), (1964, 105030), (2334, 88380), (2455, 84024), (2946, 70020), (3112, 66285), (3501, 58920), (3890, 53028), (3928, 52515), (4419, 46680), (4668, 44190), (4910, 42012), (5835, 35352), (5892, 35010), (7002, 29460), (7365, 28008), (7780, 26514), (8838, 23340), (9336, 22095), (9820, 21006), (10503, 19640), (11670, 17676), (11784, 17505), (13257, 15560), (14004, 14730)]