28305165165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:963

約数の個数: 128

約数和(自身を含む): 51342888960

約数和(自身を除く): 23037723795

約数列:

[1, 3, 5, 15, 19, 23, 43, 57, 69, 95, 115, 129, 137, 215, 285, 345, 411, 437, 645, 685, 733, 817, 989, 1311, 2055, 2185, 2199, 2451, 2603, 2967, 3151, 3665, 4085, 4945, 5891, 6555, 7809, 9453, 10995, 12255, 13015, 13927, 14835, 15755, 16859, 17673, 18791, 29455, 31519, 39045, 41781, 47265, 50577, 56373, 59869, 69635, 84295, 88365, 93955, 94557, 100421, 111929, 135493, 157595, 179607, 208905, 252885, 281865, 299345, 301263, 320321, 335787, 406479, 472785, 502105, 559645, 598861, 677465, 724937, 898035, 960963, 1506315, 1601605, 1678935, 1796583, 1907999, 2032395, 2174811, 2309683, 2574367, 2994305, 3624685, 4318103, 4804815, 5723997, 6929049, 7723101, 8982915, 9539995, 10874055, 11548415, 12871835, 12954309, 13773803, 21590515, 28619985, 34645245, 38615505, 41321409, 43883977, 64771545, 68869015, 82043957, 99316369, 131651931, 206607045, 219419885, 246131871, 297949107, 410219785, 496581845, 658259655, 1230659355, 1489745535, 1887011011, 5661033033, 9435055055, 28305165165]

約数ペア:

[(1, 28305165165), (3, 9435055055), (5, 5661033033), (15, 1887011011), (19, 1489745535), (23, 1230659355), (43, 658259655), (57, 496581845), (69, 410219785), (95, 297949107), (115, 246131871), (129, 219419885), (137, 206607045), (215, 131651931), (285, 99316369), (345, 82043957), (411, 68869015), (437, 64771545), (645, 43883977), (685, 41321409), (733, 38615505), (817, 34645245), (989, 28619985), (1311, 21590515), (2055, 13773803), (2185, 12954309), (2199, 12871835), (2451, 11548415), (2603, 10874055), (2967, 9539995), (3151, 8982915), (3665, 7723101), (4085, 6929049), (4945, 5723997), (5891, 4804815), (6555, 4318103), (7809, 3624685), (9453, 2994305), (10995, 2574367), (12255, 2309683), (13015, 2174811), (13927, 2032395), (14835, 1907999), (15755, 1796583), (16859, 1678935), (17673, 1601605), (18791, 1506315), (29455, 960963), (31519, 898035), (39045, 724937), (41781, 677465), (47265, 598861), (50577, 559645), (56373, 502105), (59869, 472785), (69635, 406479), (84295, 335787), (88365, 320321), (93955, 301263), (94557, 299345), (100421, 281865), (111929, 252885), (135493, 208905), (157595, 179607)]