28320120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 93103920

約数和(自身を除く): 64783800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 811, 873, 970, 1164, 1455, 1622, 1746, 1940, 2328, 2433, 2910, 3244, 3492, 3880, 4055, 4365, 4866, 5820, 6488, 6984, 7299, 8110, 8730, 9732, 11640, 12165, 14598, 16220, 17460, 19464, 24330, 29196, 32440, 34920, 36495, 48660, 58392, 72990, 78667, 97320, 145980, 157334, 236001, 291960, 314668, 393335, 472002, 629336, 708003, 786670, 944004, 1180005, 1416006, 1573340, 1888008, 2360010, 2832012, 3146680, 3540015, 4720020, 5664024, 7080030, 9440040, 14160060, 28320120]

約数ペア:

[(1, 28320120), (2, 14160060), (3, 9440040), (4, 7080030), (5, 5664024), (6, 4720020), (8, 3540015), (9, 3146680), (10, 2832012), (12, 2360010), (15, 1888008), (18, 1573340), (20, 1416006), (24, 1180005), (30, 944004), (36, 786670), (40, 708003), (45, 629336), (60, 472002), (72, 393335), (90, 314668), (97, 291960), (120, 236001), (180, 157334), (194, 145980), (291, 97320), (360, 78667), (388, 72990), (485, 58392), (582, 48660), (776, 36495), (811, 34920), (873, 32440), (970, 29196), (1164, 24330), (1455, 19464), (1622, 17460), (1746, 16220), (1940, 14598), (2328, 12165), (2433, 11640), (2910, 9732), (3244, 8730), (3492, 8110), (3880, 7299), (4055, 6984), (4365, 6488), (4866, 5820)]