640061712

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1301

約数の個数: 120

約数和(自身を含む): 1865277440

約数和(自身を除く): 1225215728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 127, 144, 186, 248, 254, 279, 372, 381, 496, 508, 558, 744, 762, 1016, 1116, 1129, 1143, 1488, 1524, 2032, 2232, 2258, 2286, 3048, 3387, 3937, 4464, 4516, 4572, 6096, 6774, 7874, 9032, 9144, 10161, 11811, 13548, 15748, 18064, 18288, 20322, 23622, 27096, 31496, 34999, 35433, 40644, 47244, 54192, 62992, 69998, 70866, 81288, 94488, 104997, 139996, 141732, 143383, 162576, 188976, 209994, 279992, 283464, 286766, 314991, 419988, 430149, 559984, 566928, 573532, 629982, 839976, 860298, 1147064, 1259964, 1290447, 1679952, 1720596, 2294128, 2519928, 2580894, 3441192, 4444873, 5039856, 5161788, 6882384, 8889746, 10323576, 13334619, 17779492, 20647152, 26669238, 35558984, 40003857, 53338476, 71117968, 80007714, 106676952, 160015428, 213353904, 320030856, 640061712]

約数ペア:

[(1, 640061712), (2, 320030856), (3, 213353904), (4, 160015428), (6, 106676952), (8, 80007714), (9, 71117968), (12, 53338476), (16, 40003857), (18, 35558984), (24, 26669238), (31, 20647152), (36, 17779492), (48, 13334619), (62, 10323576), (72, 8889746), (93, 6882384), (124, 5161788), (127, 5039856), (144, 4444873), (186, 3441192), (248, 2580894), (254, 2519928), (279, 2294128), (372, 1720596), (381, 1679952), (496, 1290447), (508, 1259964), (558, 1147064), (744, 860298), (762, 839976), (1016, 629982), (1116, 573532), (1129, 566928), (1143, 559984), (1488, 430149), (1524, 419988), (2032, 314991), (2232, 286766), (2258, 283464), (2286, 279992), (3048, 209994), (3387, 188976), (3937, 162576), (4464, 143383), (4516, 141732), (4572, 139996), (6096, 104997), (6774, 94488), (7874, 81288), (9032, 70866), (9144, 69998), (10161, 62992), (11811, 54192), (13548, 47244), (15748, 40644), (18064, 35433), (18288, 34999), (20322, 31496), (23622, 27096)]