206979120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1147

約数の個数: 120

約数和(自身を含む): 697834800

約数和(自身を除く): 490855680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 389, 720, 739, 778, 1167, 1478, 1556, 1945, 2217, 2334, 2956, 3112, 3501, 3695, 3890, 4434, 4668, 5835, 5912, 6224, 6651, 7002, 7390, 7780, 8868, 9336, 11085, 11670, 11824, 13302, 14004, 14780, 15560, 17505, 17736, 18672, 22170, 23340, 26604, 28008, 29560, 31120, 33255, 35010, 35472, 44340, 46680, 53208, 56016, 59120, 66510, 70020, 88680, 93360, 106416, 133020, 140040, 177360, 266040, 280080, 287471, 532080, 574942, 862413, 1149884, 1437355, 1724826, 2299768, 2587239, 2874710, 3449652, 4312065, 4599536, 5174478, 5749420, 6899304, 8624130, 10348956, 11498840, 12936195, 13798608, 17248260, 20697912, 22997680, 25872390, 34496520, 41395824, 51744780, 68993040, 103489560, 206979120]

約数ペア:

[(1, 206979120), (2, 103489560), (3, 68993040), (4, 51744780), (5, 41395824), (6, 34496520), (8, 25872390), (9, 22997680), (10, 20697912), (12, 17248260), (15, 13798608), (16, 12936195), (18, 11498840), (20, 10348956), (24, 8624130), (30, 6899304), (36, 5749420), (40, 5174478), (45, 4599536), (48, 4312065), (60, 3449652), (72, 2874710), (80, 2587239), (90, 2299768), (120, 1724826), (144, 1437355), (180, 1149884), (240, 862413), (360, 574942), (389, 532080), (720, 287471), (739, 280080), (778, 266040), (1167, 177360), (1478, 140040), (1556, 133020), (1945, 106416), (2217, 93360), (2334, 88680), (2956, 70020), (3112, 66510), (3501, 59120), (3695, 56016), (3890, 53208), (4434, 46680), (4668, 44340), (5835, 35472), (5912, 35010), (6224, 33255), (6651, 31120), (7002, 29560), (7390, 28008), (7780, 26604), (8868, 23340), (9336, 22170), (11085, 18672), (11670, 17736), (11824, 17505), (13302, 15560), (14004, 14780)]