664717968

素因数分解:

$2^4\times 3^3\times {\mathrm{643}}^1\times {\mathrm{2393}}^1$

素因数の和:3053

約数の個数: 80

約数和(自身を含む): 1911752640

約数和(自身を除く): 1247034672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 643, 1286, 1929, 2393, 2572, 3858, 4786, 5144, 5787, 7179, 7716, 9572, 10288, 11574, 14358, 15432, 17361, 19144, 21537, 23148, 28716, 30864, 34722, 38288, 43074, 46296, 57432, 64611, 69444, 86148, 92592, 114864, 129222, 138888, 172296, 258444, 277776, 344592, 516888, 1033776, 1538699, 3077398, 4616097, 6154796, 9232194, 12309592, 13848291, 18464388, 24619184, 27696582, 36928776, 41544873, 55393164, 73857552, 83089746, 110786328, 166179492, 221572656, 332358984, 664717968]

約数ペア:

[(1, 664717968), (2, 332358984), (3, 221572656), (4, 166179492), (6, 110786328), (8, 83089746), (9, 73857552), (12, 55393164), (16, 41544873), (18, 36928776), (24, 27696582), (27, 24619184), (36, 18464388), (48, 13848291), (54, 12309592), (72, 9232194), (108, 6154796), (144, 4616097), (216, 3077398), (432, 1538699), (643, 1033776), (1286, 516888), (1929, 344592), (2393, 277776), (2572, 258444), (3858, 172296), (4786, 138888), (5144, 129222), (5787, 114864), (7179, 92592), (7716, 86148), (9572, 69444), (10288, 64611), (11574, 57432), (14358, 46296), (15432, 43074), (17361, 38288), (19144, 34722), (21537, 30864), (23148, 28716)]