81939984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{461}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 253442112

約数和(自身を除く): 171502128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 461, 483, 529, 552, 644, 922, 966, 1058, 1104, 1288, 1383, 1587, 1844, 1932, 2116, 2576, 2766, 3174, 3227, 3688, 3703, 3864, 4232, 5532, 6348, 6454, 7376, 7406, 7728, 8464, 9681, 10603, 11064, 11109, 12696, 12908, 14812, 19362, 21206, 22128, 22218, 25392, 25816, 29624, 31809, 38724, 42412, 44436, 51632, 59248, 63618, 74221, 77448, 84824, 88872, 127236, 148442, 154896, 169648, 177744, 222663, 243869, 254472, 296884, 445326, 487738, 508944, 593768, 731607, 890652, 975476, 1187536, 1463214, 1707083, 1781304, 1950952, 2926428, 3414166, 3562608, 3901904, 5121249, 5852856, 6828332, 10242498, 11705712, 13656664, 20484996, 27313328, 40969992, 81939984]

約数ペア:

[(1, 81939984), (2, 40969992), (3, 27313328), (4, 20484996), (6, 13656664), (7, 11705712), (8, 10242498), (12, 6828332), (14, 5852856), (16, 5121249), (21, 3901904), (23, 3562608), (24, 3414166), (28, 2926428), (42, 1950952), (46, 1781304), (48, 1707083), (56, 1463214), (69, 1187536), (84, 975476), (92, 890652), (112, 731607), (138, 593768), (161, 508944), (168, 487738), (184, 445326), (276, 296884), (322, 254472), (336, 243869), (368, 222663), (461, 177744), (483, 169648), (529, 154896), (552, 148442), (644, 127236), (922, 88872), (966, 84824), (1058, 77448), (1104, 74221), (1288, 63618), (1383, 59248), (1587, 51632), (1844, 44436), (1932, 42412), (2116, 38724), (2576, 31809), (2766, 29624), (3174, 25816), (3227, 25392), (3688, 22218), (3703, 22128), (3864, 21206), (4232, 19362), (5532, 14812), (6348, 12908), (6454, 12696), (7376, 11109), (7406, 11064), (7728, 10603), (8464, 9681)]