81577776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2503}}^1$

素因数の和:2618

約数の個数: 80

約数和(自身を含む): 243428864

約数和(自身を除く): 161851088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 97, 112, 168, 194, 291, 336, 388, 582, 679, 776, 1164, 1358, 1552, 2037, 2328, 2503, 2716, 4074, 4656, 5006, 5432, 7509, 8148, 10012, 10864, 15018, 16296, 17521, 20024, 30036, 32592, 35042, 40048, 52563, 60072, 70084, 105126, 120144, 140168, 210252, 242791, 280336, 420504, 485582, 728373, 841008, 971164, 1456746, 1699537, 1942328, 2913492, 3399074, 3884656, 5098611, 5826984, 6798148, 10197222, 11653968, 13596296, 20394444, 27192592, 40788888, 81577776]

約数ペア:

[(1, 81577776), (2, 40788888), (3, 27192592), (4, 20394444), (6, 13596296), (7, 11653968), (8, 10197222), (12, 6798148), (14, 5826984), (16, 5098611), (21, 3884656), (24, 3399074), (28, 2913492), (42, 1942328), (48, 1699537), (56, 1456746), (84, 971164), (97, 841008), (112, 728373), (168, 485582), (194, 420504), (291, 280336), (336, 242791), (388, 210252), (582, 140168), (679, 120144), (776, 105126), (1164, 70084), (1358, 60072), (1552, 52563), (2037, 40048), (2328, 35042), (2503, 32592), (2716, 30036), (4074, 20024), (4656, 17521), (5006, 16296), (5432, 15018), (7509, 10864), (8148, 10012)]